See also:

Climate Controls
A. Fan Control B. Temperature Control C. Air Delivery Mode Control D. Air Recirculation E. Air Conditioning F. Rear Window Defogger This system allows the driver and passenger to control t ...

Online Owner Center
Manage your vehicle (U.S.) at buick.com. Click on "Owners," then "Manage My Buick/Owners Login." Information and services customized for your specific vehicle — all in o ...

Rear Window Defogger
(Rear Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off after about 10 minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or ...