Compass Zone

Your dealer/retailer will set the correct zone for your location. If the zone is not set to your location or you drive out of the area, the variance needs to be changed to the appropriate zone.

To adjust for compass variance, use the following procedure:

    See also:

    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 ...

    Horn
    Press near the horn symbols or press on the steering wheel pad to sound the horn. ...

    Audio Steering Wheel Controls
    Vehicles with audio steering wheel controls could differ depending on the vehicle’s options. Some audio controls can be adjusted at the steering wheel. (Next): Press to go to the nex ...