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 ...

Map Scales
+ / − (Zoom In/Zoom Out): Press the zoom in or out screen buttons or the scale on the bar to change the level of map detail. The scale appears on the screen once the zoom in or zoom out scre ...

Child Restraint Systems
(A) Rear-Facing Infant Seat A rear-facing infant seat (A) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a ...