See also:

Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...

Entering the Personalization Menus
1. Press CONFIG to access the Configuration Settings menu. 2. Turn the TUNE/MENU knob to highlight Vehicle Settings. Press the CONFIG button until Vehicle is highlighted on vehicles with a navigati ...

Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to Buick. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's ...