When should you drive with high beams?
When should you drive with high beams? High beam headlights should be used at night, whenever you're unable to see enough of the road ahead to drive safely. Low visibility at night can be scary for even the most experienced drivers. Why do high beam headlights work but low beams don't? Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams. 1. Headlight Bulbs This is the most common reason we see...