http://www.lrrb.org/pdf/trs1009.pdf The research is somewhat muddied but it appears that using headlights during the day helps.
This is why several brands (e.g. Volvo) have running lights that are on at all times—not full-beam headlights, but smaller white lights at the front.
http://www.lrrb.org/pdf/trs1009.pdf The research is somewhat muddied but it appears that using headlights during the day helps.
This is why several brands (e.g. Volvo) have running lights that are on at all times—not full-beam headlights, but smaller white lights at the front.