OnStar

See also:

Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation needs, yo ...

Tailored design weaves in signature style and refinement
The 2013 ATS interprets Cadillac's Art & Science design language in a new proportion, tailoring the signature styling and refinement cues for the most compact Cadillac while upholding - and ad ...

Anti-theft Alarm System
Your vehicle has a content theft-deterrent alarm system. This is the security light. To arm the theft-deterrent system: 1. Open the door. 2. Lock the door with the Remote Keyless Entry (RKE) tra ...