OnStar Services

See also:

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 ...

Brakes
Brakes stop the vehicle and are crucial to safe driving. - Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. - Trained dealer technicians have ...

Customer Assistance Offices (U.S. and Canada)
Cadillac encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Cadillac, the letter should be addressed to: United States Cadillac ...