See also:

Selecting a Station
Seek Tuning If the radio station is not known: Briefly press or . The radio will search for the next receivable station. If the radio does not find a station, it switches automatically to a ...

Add-On Equipment
When you carry removable items, you may need to put a limit on how many people you can carry inside your vehicle. Be sure to weigh your vehicle before you buy and install the new equipment. Notic ...

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 ...