See also:

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 ...

Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE This message displays when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system starts reducing certain features ...

Fog Lamps
Use the fog lamps for better vision in foggy or misty conditions. The ignition must be in RUN for the fog lamps to work. The fog lamp button is located on the instrument panel to the right of ...