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:

    Curve Tips
    • Take curves at a reasonable speed. • Reduce speed before entering a curve. • Maintain a reasonable steady speed through the curve . Wait until the vehicle is out of the curve before accelera ...

    Steering Wheel Controls
    Steering Wheel Controls or : Press to change favorite radio stations, select tracks on a CD/DVD, or navigate tracks or folders on an iPod® or USB device. : Press to silence the vehicle speake ...

    Driver Information Center (DIC) (With DIC Buttons)
    If your vehicle has DIC buttons, the information below explains the operation of this system. The DIC displays information about your vehicle. It also displays warning messages if a system problem is ...