The tires and wheels were aligned and balanced at the factory to provide the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on a regular basis. However, check the alignment if there is unusual tire wear or if the vehicle is pulling to one side or the other. If the vehicle vibrates when driving on a smooth road, the tires and wheels might need to be rebalanced. See your dealer for proper diagnosis.
Uniform Tire Quality Grading
Wheel ReplacementHeadlamp Mount Panel Replacement (MIG-Brazing)
Note: According to different corrosion warranties, only the
regional mandatory joining methods are allowed.
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface sec ...
Installation Procedure
Note: If the location of the original plug weld holes can
not be determined, space the plug weld holes every 40 mm (1½ in).
Drill 8 mm (5/16 in) for plug welding along the edges of the underbody
rear side rail reinforcement as noted from
the original panel.
Clean and ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Press to receive directions or have
them sent to the vehicle navigation screen, if equipped.
Destinations can also be forwarded to the vehicle from MapQuest.com.
The OnStar mapping database is continuously updated. For cov ...