Originally Posted by Hugoneus
To increase the life of your headlights, put them on auto when you actually want to turn your headlights on (given that it is actually dark enough). Turning headlights on/off often will reduce their life span.
Not sure I understand your point. The auto function still turns the lights on and off...it just does it automatically instead of you having to turn the switch. Whether the lights outomaticaly turn on/off or you do it manually how would that affect the life span?