What's new?

October 2024

(October 9) Added a new page to describe how to Implement a media card.

September 2024

(September 30) Added two new pages to describe the:

• Car framework core
• Performance analysis

(September 12) Added a new page to describe Android Automotive 24Q3 release details.

August 2024

(August 15) Updated Supported system properties to provide more details about each system property.

(August 8) The new Maintain hotspots between driving sessions details how to enable users to maintain hotspots between driving sessions.

July 2024

(July 3) Rewrote Flash wear management to describe flash memory behavior and to describe how OEMs can lower the risk of a failing flash memory device.

June 2024

(June 13) Added a new section entitled Prioritize app performance setting in "Monitor Flash Memory Usage" to describe how to prioritize an app's performance.

(June 12) Updated Power policy, including (among other revisions) the addition of two new system power policies, no user interaction and suspend prep.

March 2024

(March 20) Added a page to describe the new Car Messenger, an app dedicated to the automotive messaging experience.

(March 7) See the new page that explains how to Enable MACsec for ethernet features. Use MACsec to authenticate and encrypt the ethernet communication used by in-vehicle infotainment (IVI) for different ECU units.

(March 6) To learn how to optimally get network location in a vehicle, see Get coarse location.

January 2024

(January 31) To use an open source script to download and launch an emulator build, see Launch an AOSP Car AVD using prebuilt.

(January 10) Updated Complete Automotive Tests in a Box for the release of Android 14.

December 2023

(December 4) Added a new page to describe the new features contained in the release of Android Automotive 14 QPR1.

October 2023

(October 4) Added these new pages to describe features released in Android 14:

• Android Automotive 14 release details
• Android Automotive multi-user on multiple displays
• Audio:
  • Audio focus
  • Car audio configuration
  • Audio Control HAL
  • Multi-zone audio routing
  • Car audio plugin service
  • Volume management
  • Connect an input device in AAOS
  • Microphone input
  • Audio power management
  • Audio configuration AAOS flags
• Set up remote access
• Unbundled apps release notes for Car-apps-release-7
• Vehicle hardware abstraction layer (VHAL):
  • VHAL interface
  • Property configurations
  • Supported system properties
  • Special properties
  • SEAT and STEERING_WHEEL properties
  • ADAS vehicle properties
  • Reference implementation
  • Debug the VHAL
  • Use VHAL with the native client
  • HIDL VHAL migration guide
  • HIDL VHAL interface

July 2023

(July 18) Added Car Service Feature Control to describe the optional car control features you can enable with RROs or the VHAL.

(July 13) Added Extend VHAL Property Descriptions in the Emulator. Learn how to view information about VHAL properties, such as names, descriptions, and the meaning of the values, in an emulator window.