Service

For service and parts needs, visit your dealer/retailer.

You will receive genuine GM parts and GM-trained and supported service people.

Genuine GM parts have one of these marks:

Accessories and Modifications

See also:

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that your vehicle has a safety defect, notify Transport Canada immediately, in addition to notifying General Motors of Canada Limited. Call them at 1-800-3 ...

Ride & Handling
Unfortunately, the ride is another area where the Super looks better on paper than the other Lucerne trim levels, but in some ways performs worse. The CXL's suspension tuning is firmer than that o ...

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...