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 the battery is discharged or disconnected.
See also:
Adding Equipment to the Outsideof Your Vehicle
Things you might add to the outside of your
vehicle can affect the airflow around it. This may
cause wind noise and affect windshield washer
performance. Check with your dealer before
adding equip ...
Storing a Flat or Spare Tire and
Tools
WARNING:
Storing a jack, a tire, or other equipment in the
passenger compartment of the vehicle could
cause injury. In a sudden stop or collision, loose
equipment could strike someone. Store al ...
Courtesy Lamps
When any door is opened, several lamps turn on
making it easier for you to enter and exit the vehicle.
Turn the instrument panel brightness control completely
clockwise to manually turn on these ...