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 InformationCenter Pillar Upper Garnish Molding Replacement
Preliminary Procedure
Remove the center pillar lower garnish molding. Refer to Center Pillar
Lower Ga rnish Molding Replacement
Remove the seat belt from the front seat. Refer to Driver or Passenger
Seat Retractor Side Belt Replacement
Center Pillar Upper Garnish Mo ...
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and
displays the CHANGE ENGINE OIL SOON DIC message or Code 82 DIC message when it is
necessary to change the engine oil and filter.
Remember, the Oil Life display must be reset after each oil change. It will not
reset ...
Steering Linkage Inner Tie Rod Replacement (Electronic Power Steering)
Special Tools
CH-6247 Removal and Installation Tool for the Steering Linkage Inner Tie Rod
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the tire and wheel assembly. Refer to ...