See also:

BATTERY SAVER ACTIVE
This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the vehicle that may be ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Bluetooth
For vehicles equipped with Bluetooth capability, the system can interact with many cell phones, allowing: - Placement and receipt of calls in a hands-free mode. - Sharing of the cell phone’s ...