In reply to:

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Some cars just use the normal headlights, but at a lower brightness.

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That’s true with many cars here in the states already (and a requirement in Canada). All of the daytime running lights I have seen do not light up the taillights. That would probably be counterproductive to safety. So my only point is that I think you will always have a manual headlight switch of some sort.


-Doug
Mk2-12G Blue (Now A/R Green)