OnStar

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.

    See also:

    Safety Chains
    Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated ...

    Rear Compartment Fuse Block (CTS Wagon)
    This fuse block is on the right side of the vehicle, behind the trim panel in the rear compartment. The vehicle may not be equipped with all of the fuses, relays, and features shown. ...

    Torque Lock (Automatic Transmission)
    Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is ...