See also:

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
Refer to the following sections for important information on how to use safety belts properly. Safety Belts  . How to Wear Safety Belts Properly  . Lap-Shoulder Belt  . Lo ...

Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule for more information. Things that are especially important in trailer operation are automatic transmission ...