Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Cadillac has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with Cadillac by dialing: 1-800-833-2622. TTY users in Canada can dial 1-800-263-3830.
See also:
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you should immediately inform the National Highway
Traffic Safety Administration (NHTSA) in ad ...
Transferring Service
Push to request account
transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has ch ...
Calling for Service
When calling Roadside Service,
have the following information
ready:
- Your name, home address, and
home telephone number.
- Telephone number of your
location.
- Location of the vehicle.
- ...






