See also:

Battery
This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS. Your vehicle's charging system regul ...

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 operate if ...

Transferring a Call
Audio can be transferred between the Bluetooth system and the cell phone. The cell phone must be paired and connected with the Bluetooth system before a call can be transferred. The connection proc ...