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 ...

Battery
This vehicle has a standard 12-volt battery. Refer to the replacement number on the original battery label when a new standard 12-volt battery is needed. eAssist vehicles also have a high v ...

Setting the Clock (Radio with CD and Touchscreen)
The clock menu can be only be used with the radio on while in ON/RUN or ACC/ACCESSORY. To set the time: 1. Press the CONFIG button to enter the menu options or press H. Turn the TUNE/MENU knob to ...