See also:

DIC Buttons
A. SET/CLR: Press to set or clear the menu item when it is displayed. B. (Thumbwheel): Use to scroll through the items in each menu. A small marker will move across the bottom of the pag ...

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 ...

Leaving the Vehicle with the Engine Running
WARNING! It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. And, ...