See also:

OnStar®
If the vehicle has OnStar and you subscribe to the OnStar services, please refer to the OnStar Terms and Conditions for information on data collection and use. ...

How to Add Automatic TransmissionFluid
Refer to the Maintenance Schedule to determine what kind of transmission fluid to use. Add fluid only after checking the transmission fluid while it is hot. A cold check is used only as a referenc ...

Turn Signals when Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turni ...