See also:

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 o ...

Adjusting the Equalizer (EQ)
If the radio has this feature, the EQ can be adjusted between talk and manual. To choose an EQ setting: 1. Press the TUNE/TONE knob. 2. Select EQ. 3. Select Talk or Manual. 4. Press the Back ...

Antilock Brake System (ABS) Warning Light
The Antilock Brake System (ABS), this light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If ...