Door Ajar Light

For vehicles equipped with this light, it comes on when a door is open or not

For vehicles equipped with this light, it comes on when a door is open or not securely latched. Before driving, check that all doors are properly closed. See Door Ajar Messages  for more information.

    See also:

    Storing Name Tags
    The system can store up to 30 phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers: ► ...

    How the System Works
    When the vehicle is started, both outside mirror displays will briefly come on to indicate that the system is operating. While driving forward, the left or right side mirror SBZA display will ...

    What to Add
    When you do need brake fluid, use only DOT-3 brake fluid. Use new brake fluid from a sealed container only. Always clean the brake fluid reservoir cap and the area around the cap before removing i ...