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 InformationWater Management Description and Operation
Plenum Water Flow Direction and Cleaning
A large percentage of water will flow off the windshield area into the plenum
chamber drain system and then down the outside on the
plenum to the underside of the vehicle. To ensure that the plenum chamber water
management system performs properly, the ...
Steering Gear Boot Replacement
Special Tools
CH-804 Drive Axle Seal Clamp Pliers
Removal Procedure
Remove the steering linkage outer tie rod. Refer to Steering Linkage Outer
Tie Rod Replacement.
Remove the steering linkage inner tie rod nut (1).
Remove the steering gear outer boot clamp (2).
Loosen the st ...
Frontal SIR System Description
The frontal supplemental inflatable restraint (SIR) system consists of the
following components:
AIR BAG indicator located in the instrument cluster
Inflatable restraint sensing and diagnostic module (SDM)
Inflatable restraint passenger presence detection system
Inflatable restraint Pass ...