OnStar

See also:

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

Electric Power Steering
If your vehicle has electric power steering it does not have power steering fluid. Regular maintenance is not required. If power steering assist is lost due to a system malfunction, the vehic ...

Driving on Snow or Ice
Most of the time, those places where the tires meet the road probably have good traction. However, if there is snow or ice between the tires and the road, you can have a very slippery situation. ...