Electrical System

See also:

Tilt Wheel
The steering wheel should be adjusted before you drive. The tilt lever is located to the left of the steering column, under the turn signal lever. It can be raised to the highest level to give ...

Retained Accessory Power (RAP)
Your vehicle has a Retained Accessory Power (RAP) feature which lets certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK. The radio, po ...

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...