OnStar Additional Information

See also:

Weight-Distributing Hitches and Weight Carrying Hitches
A. Body-to-Ground Distance B. Front of Vehicle When using a weight-distributing hitch, the hitch must be adjusted so that the distance (A) remains the same both before and after coupling the trail ...

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ligh ...