OnStar Services

See also:

Installing the Third Row Seat
To install the seat: 1. Open the liftgate to access the rear of the vehicle. 2. Slide the front outboard seat wheels into the track on the floor and roll the seat forward. The front latches should ...

Engine Oil Messages
CHANGE ENGINE OIL SOON This message displays when the engine oil needs to be changed. When you change the engine oil, be sure to reset the Oil Life System. See Engine Oil Life System, Driver ...

Compass
The vehicle may have a compass display on the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, a ...