See also:

Gate Ajar Light
If this light comes on, the liftgate or liftglass is not completely shut. Close the liftgate or liftglass. Never drive with the liftgate or liftglass even partially open. ...

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. ...

Antilock Brake System (ABS) Warning Light
The Antilock Brake System (ABS) light comes on briefly when the engine is started. If the light does not come on, have the vehicle serviced by your dealer. If the ABS light comes on and stays on w ...