OnStar Additional Information

See also:

Reading Lamps
There are front and rear reading lamps. The front reading lamps are located in the overhead console. Press to turn each lamp on or off. The rear reading lamps are located in the headliner. ...

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 ...

Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment ...