See also:

How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface. For Two-Wheel-Drive vehicles, the proper level is from 15mm to 40mm (0.6 in to 1.6 in) below the bottom of the filler plu ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to ...

Door Ajar Messages
DRIVER DOOR OPEN This message displays when the driver door is not closed completely. Close the door completely. HOOD OPEN This message displays when the hood is not closed completely. Make s ...