One problem related to defogger has been reported for the 1997 Buick Park Avenue. The most recently reported issues are listed below.
Defroster vents for windshield and side windows fail to work properly, this causes driver to have poor visibility while driving. Dealer has attempted to repair, however problem still exists, consumer states on one occasion the heat control failed completely, after shutting off the vehicle and restarting the heat worked.
| Windshield Wiper/washer problems | |
| Defogger problems | |
| Power Window problems | |
| Windshield problems |