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 InformationFront Fender Replacement
Preliminary Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia
Replacement
Remove front bumper fascia guide. Refer to Front Bumper Fascia
Replacement
Remove the wheelhouse liner. Refer to Front Wheelhouse Liner Replacement
Remove the headlamp. Refer to H ...
Compass
The vehicle may have a compass display in the Driver Information Center (DIC).
The compass receives its heading and other information from the Global Positioning
System (GPS) antenna, StabiliTrak, and vehicle speed information.
Avoid covering the GPS antenna, located on the roof, for long perio ...
Front Floor Console Replacement
Preliminary Procedure
Remove the instrument panel lower trim panel - left side. Refer to
Instrument Panel Lower Trim Panel Replacement - Left
Side
Remove the instrument panel lower trim panel - right side. Refer to
Instrument Panel Lower Trim Panel Replacement - Right
Side
Remo ...