LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2019 >> XT5 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> Phone Projection Malfunction (Android Auto) >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

NOTE:

Before launching Android Auto verify transmission is in park or parking brake on for manual transmission vehicles.

  1. Verify vehicle date and time match the device date and time
    • If date and time do not match 

      Change vehicle date and time to match device and reattempt to launch Android Auto

    • Go to next step: If date and time match 
  2. Verify the device is Bluetooth paired to the vehicle before launching Android Auto
    • If the device is not Bluetooth paired 

      Pair the device to Bluetooth and reattempt to launch Android Audo

    • Go to next step: If the device is Bluetooth paired 
  3. Verify no DTC's are present.
    • Go to next step: If no DTC's are present. 
  4. Verify the correct settings on the radio and the connected device that will allow Android Auto functionality.
    • If the settings are not correct. 

      Radio Setting - Settings>Apps>Android Auto = ON

      Phone Setting - Open Android Auto>Settings>Connected Cars>Add cars to Android Audo = ON

    • Go to next step: If the settings are correct. 
  5. Verify the software is up to date on the connected device, refer to the device's owner manual or manufacturers website.
    • If the connected device software is not up to date. 

      Recommend the customer update their device to the newest software version.

    • Go to next step: If the connected device software has the newest version. 
  6. Verify the device's cable is recommended or approved by the device manufacture and there is no damage to the cable or terminals.
    NOTE:

    Vehicles equipped with RPO PPW have wireless phone projection.

    • If the cable is not the correct part or damage is noted advise the customer. 
    • Go to next step: If no issues with the cable 
  7. Connect a compatible USB device to the USB port and attempt to play audio.
  8. Verify audio from the USB device is heard through the vehicles speakers.
    • Go to next step: If audio is heard through the vehicles speakers. 
  9. Verify the radio detects the connected device when plugged in by automatically launching Android Auto or noting a change in the Phone Projection/Android Auto icon on the Home screen.
    • If the radio does not automatically launch Android Auto or no change in the Phone Projection/Android Auto icon. 
    1. Perform a device reset by holding both the Home and Power buttons on the device.
    2. Verify the radio detects the connected device when plugged in by automatically launching Android Auto or noting a change in the Phone Projection/Android Auto icon on the Home screen.
      • If the radio does not automatically launch Android Auto or no change in the Phone Projection/Android Auto icon.
    3. Attempt to launch the application by pressing the Phone Projection/Android Auto icon within the Home screen.
      • If the application does not launch
    4. Perform the 3 vehicle Factory Resets located in Setting>System>Return to Factory Settings.
    5. Attempt to launch the application by pressing the Phone Projection/Android Auto icon within the Home screen.
      • If the application does not launch

        Replace the A11 Radio.

      • Go to next step: If the application does launch

        Go to next step: All OK

    • Go to next step: If the radio does automatically launch Android Auto. 
  10. All OK.
scientia non olet · About LEMON Manuals