Contact

Please complete the following company information so that we may contact you with an answer to your question.

* Asterisk indicates a required field. Failure to provide information in any field with a yellow asterisk will prevent request submission.

To request technical assistance from the GM Upfitter Integration Group please complete and submit this form.

Once a Case is received by the Upfitter Integration coordinator, it will be screened for export compliance issues. You may be asked to answer a few questions about the vehicle and the scope of the upfit if you are non-US based or your issue raises possible concerns about export compliance. You will receive a telephone call and/or e-mail from one of our Technical Liaison Engineers within 48 business hours of receipt of your request.

THIS WEBSITE IS INTENDED TO BE AN ADVISORY SERVICE FOR COMMERCIAL VEHICLES ONLY.

If you are not an Upfitter or Commercial Vehicle Customer, please contact the customer assistance center for Retail Vehicle Support.

Chevrolet Customer Assistance Center at 1-800-222-1020. In Canada, call General Motors of Canada Customer Communication Centre at 1-800-263-3777 (English), or 1-800-263-7854 (French).

GMC Consumer Relations Manager at 1-800-GMC-8782 (1-800-462-8782, Customer Assistance prompt). In Canada, call General Motors of Canada Customer Communication at 1-800-263-3777 (English) or 1-800-263-7854 (French).

Cadillac Customer Assistance Center, 24 hours a day, at 1-800-458-8006. In Canada, call the Canadian Cadillac Customer Communication Centre at 1-888-446-2000.

GM Medium Duty Truck Customer Assistance Center at 1-800-862-4389. In Canada, call GM of Canada Customer Communication Centre in Oshawa at 1-800-263-3777 (English), or 1-800-263-7854 (French).

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