Cadillac Customer Service

Customer service representatives are available to answer calls from 8 A.M. to 9 P.M. EST Monday to Saturday. No representatives are available on Sunday.

  • US : 1-800-458-8006
  • Canadian : 1-800-263-3777
  • International : 1-905-644-4112
  • New Purchase Information (US): 1-800-333-4223
  • Cadillac Owner Center: 1-866-694-6546

The owner center is open Monday to Friday from 8 A.M. to 9 P.M.

If you are calling about your Cadillac, the customer service team requests you have information about your vehicle available when you call, including the VIN, dealership information, your personal contact information and delivery date and mileage of your Cadillac. If you need service manuals or owner brochures, you can contact a dedicated customer service department.

  • US Manuals: 1-800-551-4123
  • Canadian Manuals: 1-800-263-3777

Cadillac Mailing Address

Cadillac Customer Assistance Center
P.O. Box 33169
Detroit, MI 48232-5169

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

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