Two problems related to wiper have been reported for the 2002 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Cadillac Deville based on all problems reported for the 2002 Deville.
Takata recall: driver's side rear view mirror lost it's reflection. The mirror started turning a dark brownish color then started losing its reflection from the top of the mirror to the bottom. There is no visibility at all in the mirror.
Window regulators have broken. All (every) (all 4) window regulators have broken without warning and required premature replacement. This was a hazard since security in bad neighborhoods was compromised multiple times, also was unable to keep criminals and rain out of car on multiple occasions causing damage to interior.