Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    How to Inspect the Engine Air Cleaner/Filter
    To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required ...

    Vehicle Information Menu Items
    (Vehicle Information): Press this button to scroll through the following menu items: OIL LIFE Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate ...

    Battery Voltage and Charging Messages
    BATTERY SAVER ACTIVE This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the vehicle ...