Windshield feature (4)
I believe the answer is:
tint
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">windshield feature</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tint that I've seen before include "Hue, shade" , "'Shade, tone (4)'" , "Hair dye" , "work for coiffeuse?" , "A slighth shade of colour" .)