One problem related to windshield has been reported for the 1999 Cadillac Deville. The most recently reported issues are listed below.
Consumer states when it is raining and dark and headlights are coming from the opposite direction, all she sees is a blur, on one occasion while washing the vehicle, she noticed brown blotches directly in front of the driver side field of vision on the windshield.
| Defogger problems | |
| Windshield problems |