If you are unable to see the road ahead while driving through heavy rain or fog, and your wipers do not help, you should:

Turn on your high-beams and continue driving

Slow down and continue driving

Pull off the road completely until visibility improves

Pull off the road completely until visibility improves

Stop for coffee.

Stopping for coffee is not the appropriate action if you are unable to see the road ahead through heavy rain or fog and your wipers do not help. The correct response is to pull off the road completely until visibility improves. Stopping for coffee would not address the visibility issue and could potentially be dangerous if you are unable to see the road.