See also:

Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location. Under certain circumstances, such as during a long distance cross-country trip or movi ...

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 ...

Safety Belts
Safety Belts Refer to the following sections for important information on how to use safety belts properly. • Safety Belts on page 3‑12. • How to Wear Safety Belts Properly on page 3& ...