See also:

Diagnostics
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 v ...

Backglass Wiper Blade Replacement
1. Lift the wiper blade assembly up and out of the park rest position. 2. Pull the wiper blade assembly away from the backglass. The backglass wiper blade will not lock in a vertical position, s ...

Windshield Wiper BladeReplacement
Windshield wiper blades should be inspected for wear or cracking. Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that ...