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Old 07-24-2008, 10:27 PM
Penguin Penguin is offline
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> When the lighting conditions are dark enough and there are no cars ahead, the highbeams will come on automatically. Should a car approach or when high beams are not needed anymore, they will revert back to low-beam.

I remember that option being advertised in the 1950's on Cadillacs or some other luxury car. Back then I believe it was a big thing with a lense mounted on the top of the fender.

P.S. I just did a web search and it appears auto dimming was introduced even earlier than I thought:

"1939
Oldsmobile offers automatic headlight dimmer switch"
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