See also:

Audio Settings
The audio settings can be set for each radio band and each audio player source. To quickly reset an audio setting value to 0: 1. Press the TONE button. 2. Select the audio setting. 3. Press ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

ENGINE OIL HOT, IDLE ENGINE
This message displays when the engine oil temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...