OnStar Overview
EmergencyInstallation Procedure
Prepare all mating surfaces as necessary
Align the body lock pillar outer panel reinforcement.
Drill 8 mm (5/16 in) for plug welding along the edges of the body lock
pillar outer panel reinforcement as noted from the original
panel.
Clean and prepare the attaching surfac ...
Stabilizer Shaft Replacement
Special Tools
CH 904 Underframe
CH 49289 Centering Adapter
EN 45059 Torque Angle Sensor Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Turn the front wheels to the straight forward position and secure the
steering wheel from moving.
...
Rear Window Defogger Description and Operation
Rear Window Defogger System Components
The rear window defogger system consists of the following components:
HVAC Control Module
HVAC Control Head
Rear Window Defogger Relay
Rear Defogger Grid
F28UA 40A Fuse
Rear Window Defogger Operation
The rear defog control system utilizes a sin ...