OnStar Services

See also:

Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants . ...

CD Messages
CHECK CD: If this message appears on the display and/or the CD ejects, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should pla ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...