OnStar Services

See also:

Headlamp High/Low-Beam Changer
Push the turn signal/lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward you and release. This indicator lig ...

Heated Mirrors
(Rear Window Defogger): Press to heat the mirrors. See Dual Automatic Climate Control System. ...

CTS Coupe in the Market
In terms of arresting exterior design and luxurious cabin furnishings, the CTS coupe has it made. Many coupe buyers, though, want more than a car that just looks great: They want something that go ...