An application utilizing the On-Board Diagnostics II (OBD2) standard, designed to function within the Android Auto environment, allows vehicle data to be accessed and displayed on the vehicle’s infotainment system. This facilitates real-time monitoring of various parameters, such as engine performance, sensor readings, and diagnostic trouble codes. As an example, a user could observe coolant temperature or fuel efficiency directly on their car’s screen while driving.
The advantage of such a system lies in providing drivers with immediate access to vital vehicle information, potentially enabling early detection of mechanical issues. This can lead to preventative maintenance, reduced repair costs, and enhanced driving safety. Historically, accessing this type of information required specialized diagnostic tools; integrating with Android Auto brings this capability directly to the driver in a convenient and accessible format.
The following discussion will explore the specific capabilities, features, and selection criteria for applications that leverage the OBD2 standard within the Android Auto framework. It will also address common considerations regarding compatibility, security, and user experience.
1. Real-time data access
Real-time data access is a fundamental component of an application employing the OBD2 standard within the Android Auto environment. It enables the instantaneous retrieval and display of vehicle data, encompassing parameters such as engine speed, coolant temperature, manifold pressure, and sensor readings. The functionality allows for the immediate observation of vehicle operational status, providing crucial insights that would otherwise be inaccessible to the driver during operation. An example of this would be the immediate display of an increase in engine temperature, potentially signaling a cooling system malfunction.
The practical significance of this immediate data stream lies in its potential to facilitate proactive maintenance and prevent catastrophic failures. By continuously monitoring key parameters, a driver can identify anomalies and address them before they escalate into more significant and costly repairs. Furthermore, this immediate feedback can inform driving habits, promoting more efficient fuel consumption and reducing wear and tear on vehicle components. For instance, real-time monitoring of fuel trim values can indicate a potential issue with the fuel system, allowing for corrective action to be taken before significant damage occurs.
However, the efficacy of real-time data access is dependent on the accuracy and reliability of the connection between the vehicle’s OBD2 port and the Android Auto interface. Challenges such as signal interference, data latency, and software compatibility can impact the quality of the data stream. Addressing these challenges is crucial to ensuring the reliability and utility of the diagnostic applications. The effectiveness of these systems is paramount to leveraging the capabilities of the in-vehicle system.
2. Vehicle compatibility check
A crucial aspect of utilizing applications designed to access vehicle diagnostics via the OBD2 protocol within an Android Auto environment is ensuring vehicle compatibility. The OBD2 standard, while generally universal, exhibits variations in implementation across different vehicle manufacturers and models. A compatibility check serves as a necessary preliminary step to determine whether a specific application can effectively communicate with a given vehicle’s OBD2 system. Failure to perform this check can result in the application failing to retrieve data, displaying inaccurate information, or potentially causing communication errors that may interfere with the vehicle’s electronic control units (ECUs). For instance, certain European vehicles may utilize variations of the CAN bus protocol that are not fully supported by all applications.
The vehicle compatibility verification process typically involves the application querying the vehicle’s identification number (VIN) and comparing it against a database of supported vehicles. This database indicates which OBD2 parameters are accessible and which communication protocols are supported. Advanced applications may also perform a series of diagnostic tests to confirm compatibility. Successful identification and verification of compatibility permit the application to correctly interpret and display the vehicle’s data. Consider, for example, an application successfully identifying and communicating with a 2018 Toyota Camry, allowing the user to monitor parameters such as engine coolant temperature, fuel trims, and O2 sensor readings. Conversely, attempting to use the same application on an older vehicle lacking full OBD2 compliance might yield incomplete or inaccurate data.
In conclusion, a robust vehicle compatibility check is paramount for the proper function and safe operation of diagnostic applications within the Android Auto ecosystem. It mitigates the risk of data errors and potential interference with vehicle systems, while ensuring the application functions as intended. Users should prioritize applications offering comprehensive compatibility checks and regularly updated vehicle databases to maximize the reliability and utility of their diagnostic experience. Neglecting this verification step can negate the intended benefits of utilizing these diagnostic tools, rendering the application effectively useless or, potentially, even detrimental to vehicle operation.
3. Diagnostic trouble codes
Diagnostic Trouble Codes (DTCs) represent a critical component within the functionality of systems utilizing the OBD2 standard in conjunction with the Android Auto platform. These codes, generated by the vehicle’s onboard computer, indicate specific malfunctions detected within various vehicle systems, ranging from engine performance to emissions control. The presence of a DTC triggers the illumination of the malfunction indicator lamp (MIL), commonly known as the “check engine” light. An application leveraging the OBD2 protocol via Android Auto provides a means to retrieve and interpret these DTCs, offering immediate insight into the nature and severity of the identified problem. For example, a DTC such as P0300 would indicate a random or multiple cylinder misfire, alerting the driver to a potential engine issue.
The practical significance of accessing DTCs through an application integrated with Android Auto lies in the potential for proactive maintenance and informed decision-making. By immediately identifying the specific fault indicated by a DTC, a driver can take appropriate action, such as seeking professional repair or performing minor maintenance, thereby preventing further damage or more costly repairs. Furthermore, understanding the meaning of a DTC allows for a more informed consultation with a mechanic, facilitating a more efficient and accurate diagnostic process. Imagine a scenario where a driver receives a P0420 code, indicating catalytic converter efficiency below threshold. This allows the driver to research the potential causes and discuss them with the mechanic, leading to a faster and more effective resolution.
In summary, the ability to read and interpret Diagnostic Trouble Codes through an application interfacing with the vehicle’s OBD2 system via Android Auto offers a significant advantage in maintaining vehicle health and preventing costly repairs. The accuracy of the DTC interpretation is paramount; thus, reliable applications with comprehensive code databases are essential. While the technology provides valuable information, it is crucial to remember that DTCs serve as a starting point for diagnostics, often requiring further investigation to pinpoint the root cause of the issue and implement the appropriate solution.
4. Performance parameter display
The presentation of performance-related parameters constitutes a core function within any application designed to interface with a vehicle’s On-Board Diagnostics II (OBD2) system via Android Auto. The effective display of these parameters provides drivers with essential insights into the real-time operational status of their vehicle, enabling informed driving decisions and facilitating proactive maintenance.
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Real-time Engine Data
Displaying parameters such as engine speed (RPM), coolant temperature, manifold absolute pressure (MAP), and throttle position provides immediate feedback on engine performance. Observing elevated coolant temperatures, for instance, can alert a driver to a potential cooling system issue before it leads to engine damage. This immediate access to data is critical for preventing catastrophic failures.
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Fuel Efficiency Metrics
Monitoring parameters related to fuel consumption, such as instantaneous fuel economy, average fuel economy, and fuel trim values, allows drivers to optimize their driving habits for increased efficiency. An application displaying consistently high fuel trim values might indicate a problem with the fuel system, prompting further investigation and potential maintenance.
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Sensor Readings and Data Interpretation
The application must accurately translate raw sensor data into readily understandable metrics. This includes displaying oxygen sensor voltages, mass airflow (MAF) readings, and other sensor outputs in a format that is easily interpretable by the driver, regardless of their technical expertise. Accurate sensor readings are vital for identifying potential malfunctions within the vehicle’s various systems.
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Customization and Data Prioritization
The ability to customize the display, prioritizing certain parameters based on the driver’s preferences or the specific needs of the vehicle, enhances the utility of the application. A user towing a heavy load might prioritize parameters such as transmission temperature and engine load, while a driver focused on fuel economy might emphasize fuel consumption metrics. This flexibility ensures the application provides the most relevant information for the current driving conditions.
The successful implementation of performance parameter displays within an application reliant on the OBD2 protocol and integrated with Android Auto provides a powerful tool for vehicle monitoring and maintenance. The value derived from this functionality is directly proportional to the accuracy of the data presented and the ease with which it can be interpreted by the driver. These factors must be carefully considered in the design and selection of diagnostic applications.
5. User interface design
The user interface design is a critical determinant of an OBD2 application’s efficacy within the Android Auto environment. A poorly designed interface can negate the benefits of readily available vehicle data, rendering the application difficult to use and potentially distracting while driving. A clear and intuitive design, conversely, allows drivers to quickly access and interpret vital vehicle information, promoting safer and more informed driving habits. For instance, an application that displays data in small fonts or uses confusing icons will be less effective than one with large, easily readable text and universally recognized symbols. The application design must prioritize clarity and ease of use, considering the inherent demands of operating a vehicle.
Specifically, an effective interface prioritizes key data points and presents them in a logical, easily navigable manner. Customizable dashboards, allowing users to select and arrange the parameters most relevant to their needs, significantly enhance usability. The visual hierarchy of information is also crucial; critical warnings or alerts should be prominently displayed, while less essential data can be presented in a less intrusive format. Furthermore, the application must adhere to Android Auto’s design guidelines, ensuring compatibility and minimizing driver distraction. Consider the example of an application displaying a prominent warning when engine coolant temperature exceeds a safe threshold, immediately alerting the driver to a potential problem. This exemplifies the direct impact of user interface design on driver awareness and vehicle safety.
In conclusion, the user interface design constitutes an integral component of any application utilizing the OBD2 standard in conjunction with Android Auto. It directly affects the accessibility and interpretability of vehicle data, influencing driver behavior and potentially impacting vehicle safety. A well-designed interface enhances the value of the diagnostic information, facilitating proactive maintenance and informed driving decisions, while a poorly designed interface can negate these benefits. Therefore, careful consideration of user interface design is paramount in the development and selection of applications intended for vehicular diagnostic purposes.
6. Connection reliability
A stable and dependable connection between the OBD2 adapter and the Android Auto head unit is paramount for the effective operation of any diagnostic application. Intermittent or unreliable connectivity directly undermines the real-time monitoring capabilities that these applications provide. A dropped connection during data transmission can result in incomplete or inaccurate readings, potentially leading to misdiagnosis or delayed responses to critical vehicle issues. For example, if an application fails to maintain a consistent connection, a driver may not receive timely warnings about rising engine temperatures, increasing the risk of engine damage. Connection issues often stem from substandard Bluetooth adapters, software glitches, or interference from other electronic devices within the vehicle.
The implementation of robust connection protocols and error handling mechanisms within the diagnostic application is crucial for mitigating the risks associated with connection instability. These protocols should ensure automatic reconnection attempts in the event of a temporary interruption and implement data integrity checks to validate the accuracy of received information. Furthermore, the application should provide clear indications of connection status, alerting the driver to any connectivity problems. An example of this would be a visual indicator on the Android Auto display that changes from green to red when the connection is lost. In addition, users should ensure that the OBD2 adapter is securely connected to the vehicle’s OBD2 port to minimize the possibility of physical disconnections.
In summary, connection reliability forms a cornerstone of the functionality of applications leveraging the OBD2 standard with Android Auto. Stable and secure communication is essential for accurate data acquisition and timely delivery of critical vehicle information. Addressing potential connectivity issues through robust software design and appropriate hardware selection ensures the diagnostic application delivers the intended benefits, ultimately contributing to improved vehicle maintenance and enhanced driver safety. The challenges associated with maintaining reliable connections warrant careful consideration throughout the design, development, and deployment of such applications.
7. Security considerations
The integration of applications utilizing the OBD2 standard within the Android Auto environment introduces significant security considerations. Access to vehicle diagnostic data and control systems presents potential vulnerabilities that must be addressed to prevent unauthorized access and manipulation.
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Unauthorized Access to Vehicle Data
Applications accessing OBD2 data can inadvertently expose sensitive vehicle information, such as vehicle identification number (VIN), sensor readings, and diagnostic trouble codes (DTCs). This data, if intercepted, could be used for malicious purposes, including vehicle tracking, theft, or even remote manipulation of vehicle systems. For instance, a compromised application could transmit the vehicle’s location data to an unauthorized third party without the owner’s consent or knowledge.
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Malware Infection and System Compromise
The installation of untrusted or poorly vetted applications introduces the risk of malware infection. Malicious code could potentially exploit vulnerabilities in the Android Auto system or the vehicle’s electronic control units (ECUs), leading to system instability, data corruption, or even unauthorized control over vehicle functions. Consider the scenario where a rogue application injects malicious code into the vehicle’s CAN bus, allowing an attacker to remotely disable the brakes or steering.
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Data Privacy and User Consent
Many OBD2 applications collect and transmit user data, including driving habits, vehicle location, and maintenance history. Ensuring transparency regarding data collection practices and obtaining informed user consent is crucial for protecting user privacy. Failure to adequately safeguard user data can lead to privacy violations, data breaches, and potential legal liabilities. For example, an application that silently transmits driving data to a third-party marketing company without explicit user consent would represent a significant privacy violation.
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Firmware Exploitation and Reprogramming Risks
Some advanced OBD2 applications offer the capability to reprogram or modify vehicle firmware. While this can be beneficial for performance tuning or customization, it also presents significant security risks. Unauthorized or improperly implemented firmware modifications can lead to vehicle malfunction, system instability, or even permanent damage to the vehicle’s ECUs. For instance, an inexperienced user attempting to flash a custom engine control unit (ECU) map without proper knowledge could inadvertently brick the ECU, rendering the vehicle inoperable.
These security considerations highlight the importance of selecting reputable and trustworthy applications designed to interface with a vehicle’s OBD2 system through Android Auto. Implementing robust security measures, including encryption, authentication, and regular security audits, is essential for mitigating the risks associated with accessing and manipulating vehicle data. Users should exercise caution when granting permissions to applications and regularly review their data privacy settings to ensure their vehicle and personal information remain secure.
8. Data logging capabilities
Data logging capabilities represent a significant feature within applications leveraging the OBD2 standard in conjunction with the Android Auto platform. This functionality allows for the recording of vehicle performance parameters over time, providing a historical record that facilitates diagnostics, performance analysis, and long-term vehicle health monitoring.
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Diagnostic and Troubleshooting Support
Recorded data logs provide valuable information for diagnosing intermittent or transient vehicle problems that may not be readily apparent during a static inspection. By reviewing historical data, technicians can identify patterns and anomalies that precede a malfunction, allowing for more accurate and efficient troubleshooting. For example, a data log might reveal a drop in fuel pressure or a spike in engine misfires immediately before a “check engine” light illuminates, providing critical clues to the underlying cause.
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Performance Analysis and Optimization
Data logging allows drivers and performance enthusiasts to analyze vehicle performance characteristics under various conditions. By recording parameters such as engine speed, throttle position, and manifold pressure, it is possible to assess acceleration, braking, and overall engine efficiency. This information can be used to optimize driving techniques, identify areas for performance improvement, or evaluate the effectiveness of aftermarket modifications. A data log might reveal that a specific driving style results in reduced fuel economy or increased engine wear.
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Long-Term Vehicle Health Monitoring
Regular data logging provides a means of tracking the long-term health of a vehicle’s systems. By monitoring parameters such as coolant temperature, oil pressure, and battery voltage over time, it is possible to detect gradual degradation or impending failures. This proactive approach allows for preventative maintenance, extending the lifespan of critical components and reducing the risk of unexpected breakdowns. A gradual decline in battery voltage, for instance, might indicate the need for a new battery before a complete failure occurs.
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Data Export and Sharing
The ability to export recorded data logs in standard formats (e.g., CSV, TXT) enhances the utility of this functionality. Exported data can be analyzed using specialized software, shared with mechanics for remote diagnostics, or used for comparative analysis across different vehicles. This facilitates collaboration and knowledge sharing, promoting a deeper understanding of vehicle performance and maintenance. A data log can be sent to a mechanic for them to prepare parts for work.
These facets underscore the value of data logging capabilities within the context of diagnostic applications compatible with Android Auto. The ability to record, analyze, and share vehicle performance data provides a powerful tool for proactive maintenance, performance optimization, and informed decision-making, ultimately contributing to improved vehicle longevity and enhanced driver experience.
9. Customizable dashboards
The incorporation of customizable dashboards within applications that utilize the OBD2 standard for Android Auto represents a significant enhancement in user experience and diagnostic efficiency. These customizable interfaces allow drivers to tailor the displayed information to their specific needs and preferences, maximizing the utility of the available vehicle data.
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Personalized Data Prioritization
Customizable dashboards enable users to select and prioritize the specific vehicle parameters displayed, focusing on the data most relevant to their driving style, vehicle type, or diagnostic goals. For instance, a driver primarily concerned with fuel efficiency might prioritize parameters such as instantaneous fuel consumption, average fuel economy, and fuel trim values. Conversely, a driver towing a heavy load might emphasize parameters like transmission temperature, engine load, and coolant temperature. This personalization ensures that the most pertinent information is readily accessible, minimizing distraction and maximizing situational awareness.
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Visual Layout and Display Configuration
Customization extends beyond parameter selection to encompass the visual layout and display configuration. Users can often choose the size, position, and format (e.g., gauges, graphs, numerical readouts) of displayed data elements. This flexibility allows for optimal presentation of information, tailored to individual preferences and the specific constraints of the Android Auto display. A user may prefer a large, easily readable gauge for displaying engine speed, while opting for a smaller numerical readout for less critical parameters.
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Alert Threshold Customization
Customizable dashboards often include the ability to set alert thresholds for specific parameters. This feature allows drivers to receive immediate notifications when critical values exceed or fall below predefined limits. For example, a driver could set an alert to trigger when the engine coolant temperature exceeds a safe threshold, providing an early warning of a potential overheating problem. This proactive alerting system enhances safety and prevents potential damage to the vehicle.
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Multi-Page and Multi-Profile Support
Advanced applications may offer support for multiple dashboard pages or user profiles. This allows different users to create personalized dashboards tailored to their specific needs or driving scenarios. A family with multiple drivers could each create a profile with their preferred data displays and alert settings. Furthermore, different dashboard pages could be configured for different driving conditions, such as highway driving, city driving, or towing.
In summary, the availability of customizable dashboards significantly enhances the value of OBD2 applications within the Android Auto ecosystem. By empowering users to tailor the displayed information to their specific needs and preferences, these customizable interfaces promote safer, more efficient, and more informed driving habits. The implementation of such features directly addresses the diverse requirements of users and maximizes the utility of the diagnostic data provided by the OBD2 standard.
Frequently Asked Questions
This section addresses common inquiries regarding the functionality, compatibility, and security aspects of utilizing applications that interface with a vehicle’s On-Board Diagnostics II (OBD2) system through Android Auto.
Question 1: What specific types of vehicle data can be accessed via an OBD2 application for Android Auto?
An application designed for this purpose can typically access a wide range of data, including engine speed (RPM), coolant temperature, manifold absolute pressure (MAP), fuel trim values, oxygen sensor readings, and diagnostic trouble codes (DTCs). The specific data available depends on the vehicle’s make, model, and year, as well as the capabilities of the application itself.
Question 2: Are all vehicles compatible with OBD2 applications for Android Auto?
Most vehicles manufactured after 1996 are OBD2 compliant; however, variations in implementation exist. Prior to utilizing an application, a compatibility check is recommended to ensure proper communication between the application, the OBD2 adapter, and the vehicle’s onboard computer. Some older or specialized vehicles may not be fully compatible.
Question 3: What security risks are associated with using OBD2 applications for Android Auto?
Potential security risks include unauthorized access to vehicle data, malware infection, and compromise of vehicle systems. It is imperative to select reputable applications from trusted sources, ensure robust security protocols are in place, and exercise caution when granting permissions to the application. Regularly updating the application and the Android Auto system is also recommended.
Question 4: How is connection reliability maintained between the OBD2 adapter and the Android Auto head unit?
Connection reliability is dependent on the quality of the OBD2 adapter, the stability of the Bluetooth or Wi-Fi connection, and the application’s ability to handle connection interruptions. Selecting a high-quality adapter and ensuring a stable wireless connection are crucial. Applications should incorporate error handling mechanisms and automatic reconnection attempts to mitigate the effects of connection drops.
Question 5: What is the purpose of data logging capabilities in an OBD2 application for Android Auto?
Data logging allows for the recording of vehicle performance parameters over time, providing a historical record that facilitates diagnostics, performance analysis, and long-term vehicle health monitoring. This data can be used to identify intermittent problems, optimize driving habits, and track the degradation of vehicle components.
Question 6: How do customizable dashboards enhance the user experience of an OBD2 application for Android Auto?
Customizable dashboards enable users to tailor the displayed information to their specific needs and preferences. This personalization allows for the prioritization of relevant data, optimized visual layouts, and customized alert thresholds, maximizing the utility of the application and minimizing driver distraction.
The successful utilization of applications relying on the OBD2 protocol within the Android Auto framework necessitates a comprehensive understanding of compatibility, security, and functionality. Prioritizing these considerations ensures a safe and informative diagnostic experience.
The following section will provide a comparison of several readily available OBD2 applications compatible with the Android Auto platform.
Essential Tips for Selecting and Using an OBD2 Application with Android Auto
Effective utilization of a diagnostic application with a vehicle’s OBD2 system through Android Auto requires careful consideration of several factors. The following tips provide guidance for maximizing the functionality and safety of these applications.
Tip 1: Prioritize Vehicle Compatibility Verification: Always confirm that the chosen application explicitly supports the vehicle’s make, model, and year. Incompatibility can lead to inaccurate data or communication errors with the vehicle’s electronic control units (ECUs).
Tip 2: Scrutinize Application Security Measures: Investigate the application’s security protocols, including data encryption and authentication methods. Select applications from reputable developers with a proven track record of security and privacy protection.
Tip 3: Evaluate Data Display Customization Options: Assess the degree of customization offered for data display. The ability to select and prioritize specific parameters enhances usability and minimizes driver distraction.
Tip 4: Examine Data Logging Capabilities: Determine if the application provides data logging functionality. This feature is invaluable for diagnosing intermittent problems and monitoring long-term vehicle health.
Tip 5: Assess Connection Stability and Reliability: Investigate user reviews and documentation to gauge the application’s connection stability. Reliable connectivity is essential for accurate real-time data acquisition.
Tip 6: Research Diagnostic Trouble Code (DTC) Interpretation Accuracy: Verify that the application utilizes a comprehensive and up-to-date DTC database. Accurate interpretation of DTCs is crucial for effective troubleshooting.
Tip 7: Acknowledge The Potential Drawbacks: Some of those apps, have some compatibility drawbacks, need monthly membership to give you the access and need strong cellular connection to provide you the best experience.
Tip 8: Emphasize User Interface Intuitiveness: Evaluate the user interface for clarity and ease of navigation. An intuitive interface minimizes driver distraction and promotes safer operation.
Adhering to these guidelines will increase the likelihood of selecting an application that provides accurate data, reliable performance, and a safe user experience. Proactive consideration of these factors will ultimately enhance the utility of the diagnostic tool.
The subsequent section will present a concluding summary of the benefits associated with utilizing applications dependent on the OBD2 standard within the Android Auto environment.
Conclusion
This exploration has underscored the multifaceted benefits and considerations associated with diagnostic applications leveraging the OBD2 standard within the Android Auto environment. The ability to access real-time vehicle data, interpret diagnostic trouble codes, and customize data displays provides drivers with enhanced awareness and control over their vehicle’s operational status. Careful attention to vehicle compatibility, security protocols, and connection reliability is paramount for ensuring a safe and effective diagnostic experience.
The integration of vehicle diagnostics with in-car infotainment systems represents a significant advancement in automotive technology. As these applications continue to evolve, with increased functionality and enhanced security measures, their potential for improving vehicle maintenance, optimizing performance, and promoting safer driving habits will continue to grow. Individuals are encouraged to evaluate available solutions, understanding the tradeoffs, and make informed choices.
