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:

    Engine Coolant Temperature Gage
    This gage shows the engine coolant temperature. If the gage pointer moves into the red area, the engine coolant has overheated. If you have been operating your vehicle under normal driving c ...

    MP3 Format
    There are guidelines that must be met, when creating an MP3 disc or the CD might not play. The guidelines are: • Sampling rate: 8 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, and 48 k ...

    Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
    If there are no currently recognized transmitters available, follow this procedure to program up to five transmitters. This feature is not available in Canada. This procedure will take approximate ...