See also:

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overv ...

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 ...

Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder belt except for the center front passenger position, if equipped, which has a lap belt. See Lap Belt   for more information. The l ...