One or more power window switch may fail. The affected window may work intermittently before failing completely.
Car Problem Reports
Buick Century Power Window Switch May Fail
Buick Century Problem
Average Mileage: 108,404 mi (35,000 mi - 167,566 mi)
Visitor, 1999 Buick Century, 167,566 mi
The drivers control will open/close both front windows, but cannot open close either rear window. Passenger side control will not work the passenger side window.
my one window in the back doesn't respond when i push the down button is the problem with that door or is it in the unit on drivers side