1. Please use surface cleaner to wipe down the area to which
tape will be applied. Dirt or dust left disregarded can weaken
adhesive and shorten your deflectors' life span.
2. When surface dries (which shouldn't take long), take
the deflectors, turn over, and remove the non-adhesive strip to
expose adhesive. Be very careful not to touch the adhesive
before applying it.
3. Carefully following the instructions, place the deflectors atop
your windows exactly as the instructions say. These will be cut
specifically to your vehicle, so they should follow your window's
contours perfectly.
4. Depress the corners first and work your way up the length of
each deflector, depressing as you go, to glue them into place
above your window.
Finally, You end up with an excellent job that you would have the full satisfaction :)