OnStar®
Keys and LocksInstallation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front
wheelhouse front panel as noted from the original panel.
Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel
and front wheelhouse overlap.
Clean and prepare the attaching surfaces f ...
Interior Lamps Dimming
This group includes lamps which may dim. This group may use a combination of
vacuum fluorescent illumination, LEDs and incandescent
lamps
HVAC control module, head assembly
Rear HVAC control module, head assembly
Radio
Rear seat audio
The instrument panel cluster
The PRNDL lamp, wit ...
Ultrasonic Parking Assist
The Ultrasonic Rear Parking Assist (URPA) system assists the driver with parking
and avoiding objects while in R (Reverse). URPA operates at speeds less than 8 km/h
(5 mph). The sensors on the rear bumper detect objects up to 2.5m (8 ft) behind
the vehicle, and at least 20 cm (8 in) off the gr ...