Welcome to your HUMMER
Support Centre

While new HUMMER vehicles are no longer sold by General Motors, rest assured that we will continue to support HUMMER vehicles' full-service warranties through your existing HUMMER service Dealers. Click here to identify the closest authorized Chevrolet, Buick, GMC or Cadillac Dealer who will be able to offer the highest quality service for your HUMMER vehicle.

If you're looking for a new vehicle, we're confident that you will find exactly what you want within our Chevrolet, Buick, GMC or Cadillac brands. Please take the time to explore all that General Motors has to offer at gm.ca.


Effective January 2, 2010 service for all HUMMER vehicles will be performed through select, authorized Chevrolet, Buick, GMC or Cadillac Dealers across Canada.

Locate a Dealer Learn more about GM's New Vehicle Warranty Locate a Dealer

Have questions about your ownership?

Click here to read our frequently asked questions.

Contact Us

Contact Us

If you have any additional questions or concerns, please contact us.

Owner Services

As a HUMMER owner, you can be confident that your owner services remain intact. Click on any of the following services for more information:

OnStar® XM Satellite Radio™ Partners

Looking for a new vehicle?

Discover the new lineup:

Chevrolet Buick GMC Cadillac Chevrolet, Buick, GMC, Cadillac

Virtual Showroom Plus, visit The Virtual Showroom and take advantage of your personalized online vehicle shopping tool.

With the entire lineup on hand, you can focus your search to include exactly what you're looking for and even discover new vehicles you weren't expecting to find.

Visit The Virtual Showroom today