OnStar Services

See also:

Cleaning Exterior Lamps/ Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

CALIBRATING DRIVE IN CIRCLES
This message displays when calibrating the compass. Drive the vehicle in circles at less than 8 km/h (5 mph) to complete the calibration. See Compass for more information. ...

Online Owner Center
Manage your vehicle (U.S.) at cadillac.com. Click on “Owners,” then “Manage my Cadillac/Owners Login.” Information and services customized for your specific vehicle — all in one convenient place. ...