Special Application Services

  • Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
  • Have underbody flushing service performed once a year.
    See also:

    Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a Punctured Tire
    Follow the directions closely for correct sealant usage. When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes. Thi ...

    Adjusting the Fader and Balance
    1. Press the TONE button. 2. Select Fader or Balance. 3. Select the value. Press the BACK button to go back to the Tone Settings menu. ...

    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 Detroi ...