Last night was my first night experience in my new Gen III/Model II. The low beam setting on headlights produced a beam that was too low. Called dealer to request adjustment. He told me they are automatically set by computer. I assume he meant the on-board computer. He didn't think he could make an adjustments in the shop. IS THIS TRUE? ANY IDEAS?
I've got the same problem with my LED headlights ( I realize you don't have LEDs.) My dealer and factory rep both said headlights are not adjustable. That doesn't make any sense. There has to be a starting point, the car isn't born with the headlights perfectly aimed. I had a Priuschat person search TIS for "headlight adjustment for 2010 Prius" and they came up with a procedure. Ask your dealer to search TIS and see what they come up with. TIS document # RM0000011MI(or 1)O(or 0)3JX Let me know how it works out for you.
Halogens are not computer adjusted - they're a fixed height based on the vertical adjustment screw under the hood. LED headlights are auto-leveling, but have a baseline vertical adjustment. A height sensor on the rear axle connected to the headlight ECU determines what "adjustment" is needed to maintain the baseline while the lights are on under certain conditions.
