OnStar Services

See also:

Safety Belt Care
Keep belts clean and dry. WARNING! Do not bleach or dye safety belts. It may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only wit ...

Tire Sidewall Labeling
Useful information about a tire is molded into the sidewall. The example shows a typical passenger vehicle tire sidewall. Passenger (P-Metric) Tire (A) Tire Size: The tire size code is a combina ...

Storing an XM Station as a Favorite
Drivers are encouraged to set up their radio station favorites while the vehicle is stopped. Tune to favorite stations using the presets, favorites button, and steering wheel controls, if th ...