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:
Exterior Lamp Controls
The exterior lamps control is located on the instrument panel to the left of
the steering wheel.
It controls the following systems:
Headlamps
Taillamps
Parking Lamps
License Plate Lamps ...
Instrument Panel Illumination Control
(Instrument Panel Brightness): This
feature controls the brightness of the instrument panel lights and is located next
to the exterior lamps control.
Push the knob to extend out and then it ca ...
Wagon
To lower one or both of the rear
seatbacks:
1. Pull on the lever, on the top
outboard side of the seatback,
to unlock the seatback.
2. Fold the seatback down.
To return a seatback to the up ...