As a young driver I was given the advice that if you see a lot of oncoming cars using their sunshade or squinting into the sun as they come towards you, it's ti

As a young driver I was given the advice that if you see a lot of oncoming cars using their sunshade or squinting into the sun as they come towards you, it's time to pull over and wait it out. Driving with the sun at your back is never a good time to be on the road.