OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationInstallation Procedure
Align the body side outer panel reinforcement.
Drill 8 mm (5/16 in) for plug welding along the edges of the body side
outer panel reinforcement as noted from the original panel.
Clean and prepare the attaching surfaces
for welding.
Position the body side outer pa ...
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the brake rotor. Refer to Front Brake Rotor Replacement.
Remove the wheel speed sensor screw (2).
Remove the wheel speed sensor (1) from the steering knuckle.
Remove the wheel drive shaft from the fron ...
Brake Assist
This vehicle has a brake assist feature designed to assist the driver in stopping
or decreasing vehicle speed in emergency driving conditions. This feature uses the
stability system hydraulic brake control module to supplement the power brake system
under conditions where the driver has quickl ...