TY

I would use 3M Crystalline, which offers full UV and heat rejection, while being almost clear. Since the Cab suffers a bit with regards to visibility, I would want to retain maximum ability to see under all conditions (night).

Here is a car with it installed (not mine):

<img src="http://pictureposter.audiworld.com/108008/a3_snaps_2_002.jpg">

<img src="http://pictureposter.audiworld.com/108008/a3_snaps_2_004.jpg">