Uniform Tire Quality Grading

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:

See also:

Display Settings
Press the Config button on the Home Page or the CONFIG button on the faceplate, then select Display Settings from the list. The following options may display: Dimming Mode: Press to change t ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...

Power Door Locks
On vehicles with power door locks, the switches are located on the front doors. (Unlock): Press to unlock the doors. (Lock): Remove the key from the ignition and press to lock the doors. ...