Make sure that your windscreen is clean and streak-free on both the inside and outside surfaces.
defrost the windscreen in order that he could drive safely.
Golfers, for example, need to be able to spot that tiny dot of white that is their golf ball amid a huge expanse of green, while racing drivers face additional glare from their windscreen.
The most important drawback is that photochromic lenses generally do not work well for driving because the car's windscreen blocks most UV light, so that there is no trigger to change the lenses.
The panoramic windscreen and rear window underline the car's fluid aerodynamics.