Automatic Crash Response

In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help.

    See also:

    Tips and Troubleshooting Chart
    Problem Recommended Action No power. The ignition might not be turned to ON/RUN or ACC/ ACCESSORY. The picture does not fill the screen. There are black borders on t ...

    What to Use
    WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle’s cool ...

    Engine Identification
    The eighth character in the VIN is the engine code. This code identifies the vehicle’s engine, specifications, and replacement parts. See “Engine Specifications” under Capacities and Speci ...