When to Check

Check your tires once a month or more.

Also, check the tire pressure of the spare tire.

    See also:

    Manual Operation
    To change the current setting, select one of the following: (Fan): This button allows you to manually adjust the fan speed. Press the up arrow to increase fan speed and the down arrow to decre ...

    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 ...

    Compass Messages
    CAL This message is displayed when the compass needs to be calibrated. See Compass . – – – Three dashes will be displayed if the compass needs service. See your dealer for service. ...