Buick Riviera owners have reported 1 exterior lighting related problems since 1996. Table 1 shows the 1 most common exterior lighting problems. The number one most common problem is related to the vehicle's turn signal switch (1 problem). For details of each of the problem category, use the links in the table.
| 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.