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 Compartment Fuse Block
    The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. Remove the primary cover by pressing the two locking tabs. Remove the secondary cover b ...

    Starting the Vehicle
    1. Aim the RKE transmitter at the vehicle. 2. Press and release . 3. Immediately after completing Step 2, press and hold until the turn signal lamps flash, or for about two seconds if the vehicl ...

    ENGINE OVERHEATED — IDLE ENGINE
    This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...