Quote:
Originally Posted by Pastor Passum
Please excuse me if this is a stupid question but...every time I start my X5 at night the headlights seem to go through an adjustment cycle. They pan from level to high, back down to low and back to level. Not like switching from low to high beam but rather smoothly like there is a movable reflector in the unit. I'm guessing there is a auto leveling system for the lights and it cycles through the extremes on startup. Anyone?
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all is fine.
Every Xenon headlights do this regardless the car make/brand.
Imagine the lights do swivell like this while you drive as well. that is so they do not blind the cars coming towards you.
there are kind of "gyroscope" control units on the front axle that do this. to ensure the light hight level illumination is constantly at the same level/angle towards the road
fo example if you are coming up a hill top /horizont it lowers the light patter down the road sonyou dont shine way too up blinding the car coming towards
you should see Volkswagen xenons, they put up bigger show on startup
