Crummy headlights - Can't see, need upgrade
My old 2007 GMC has never had the best headlights. Driving from Lethbridge to Calgary last night I was really cussing them. Old original factory headlights and I cannot see worth a darn. They are...
Forum Discussion
Many DRLs use the high beam filament rather than the low beam one (again, at reduced power). This actually makes good sense; the goal of a DRL is for other drivers to see you, so using the filament where the beam isn't specifically shaped avoid shining in other driver's eyes is helpful. It's also true in many cases that low beams are used more than high beams in normal driving, so putting the extra wear and tear on the high beam filaments doesn't shorten the bulb's lifespan as much--although the shorter lifespan in either case is minimal due to the lower power operation.
