One problem related to headlights has been reported for the 2003 Buick Regal. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Regal based on all problems reported for the 2003 Regal.
Headlights suddenly went out while driving. Tried the manual dash switch no luck. Lights suddenly came on for 5 seconds, then went out again. Fog lights and bright not operating. On then off again several times, then off until I got home. Next day everything operated correctly. Tried to repeat fault during daylight and at night with no success.
| Turn Signal Switch problems | |
| Headlight Switch problems | |
| Headlights problems |