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 of the vehicle that you may be able to notice. At the point that features are disabled, this message is displayed. It means that the vehicle is trying to save the charge in the battery. Turn off unnecessary accessories to allow the battery to recharge.
LOW BATTERY
This message is displayed when the battery voltage is low. See Battery for more information.
SERVICE BATTERY CHARGING SYSTEM
This message is displayed when there is a fault in the battery charging system. Take the vehicle to your dealer for service.
See also:
Normal Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from
your dealer.
...
Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside
rearview mirror with OnStar® and/or a compass
display. Automatic dimming reduces the glare from
the headlamps of the vehicle behind you. The dim ...
Retained Accessory Power (RAP)
Your vehicle has a Retained Accessory
Power (RAP) feature which lets certain features of
your vehicle to continue to work up to 20 minutes
after the ignition key is turned to LOCK.
The radio, po ...