Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Rear Window Defogger
(Rear Window Defogger): Press to
turn the rear window defogger on or off.
The rear window defogger turns off automatically after about 10 minutes. If turned
on again it runs for about five minute ...
Battery Voltage
This display, available on some
vehicles, shows the current battery
voltage. If the voltage is in the
normal range, the value will display.
For example, the display may read
Battery Voltage 1 ...
Exterior Lighting
The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel.
: Turns off the exterior lamps.
The knob returns to the AUTO position after it is released ...