See also:

Battery
The battery supplies power to start the engine and operate any additional electrical accessories. • To avoid break-down or failure to start the vehicle, maintain a battery with full crankin ...

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 ...

Setting the Clock
To set the time and date for the radio with CD (MP3): 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. 2. Press to turn the radio on. 3. Press and the HR, MIN, MM, DD, YYYY (hour, minut ...