Quote Originally Posted by HPSOV View Post
Question about Xenon headlights.

My drive to work involves tunnels and underground carparks. In each direction the auto headlights turn on and off 7 times. That's 70 times a week plus any weekend driving. Will this reduce the life of the globes? Should I just turn auto off? Are the globes expensive to replace if they do blow?
Xenons "are estimated to last more than one thousand ignitions." - read into that what you want.

Source Xenon Bulbs