Table 1 shows one common exterior lighting related problems of the 1996 Buick Riviera.
| Problem Category | Number of Problems |
|---|---|
| Turn Signal Switch problems |
Erratic operation of windshield wipers. Windshield wipers would stop working when left turn signal was used, and while making a turn. After turn was completed, the windshield wipers would resume working again. Also windshield wipers would continue to work when switch was in a off mode. Would have to turn vehicle off again to get wipers to stop operating. Dealer notifed, and repaired windshield wipers at consumer's expense. . Seeking help from NHTSA in this matter.