Cadillac Phone:

1-800-333-4223 (U.S.)
1-888-446-2000 (Canada)
1-905-644-4112 (International Inquiries)

Main Hours of Operations

Monday – Friday: 8 am to Midnight EST

Saturday: 9 am to Midnight EST

Sunday: 11 am to Midnight EST


Cadillac Roadside Assistance

1-800-224-1400 – Available 24/7

Cadillac Owner Center

For questions about managing your vehicle on, call the toll-free number below.
Monday – Friday: 8 a.m. to 9 p.m.
Saturday & Sunday: Closed

Service Manuals & Owner Publications

Inside the U.S.: 1-800-551-4123
Inside Canada: 1-800-263-3777

Cadillac New Vehicle Purchase

Inside the U.S.: 1-800-333-4CADV
Inside Canada: 1-800-263-3777
International Inquiries: 1-905-644-4112

Cadillac in Social Networks



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Please mail your comments, questions or concerns to one of the following Cadillac Customer Assistance Centers:
In the United States:
Cadillac Customer Assistance Center
P. O. Box 33169
Detroit, MI 48232-5169

In Canada:
GM of Canada
1908 Colonel Sam Drive
Oshawa, Ontario
L1H 8P7, Canada
Mail Code 163-005

Additional Links

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