2005 Hyundai Sonata Q&A
2005 Hyundai Sonata Question: 1. My headlights dim on and off. They stay on but dim and go back normal.
have codes scanned and poss valve stem is bad in tire. - globalhelper
Headlights that dim, and brighten sometimes indicates an alternator or charging system problem. The tire might have a leak at the bead and rim, small puncture, or valve stem leak. - lightsaber