Low tech fix-Masking Tape
High tech fix-Plastidip
Basic tech- cheap sunglasses
Maybe the best tech, sell it and use uber.
Honestly I have no idea what you are experiencing, I have never had had this issue or anything close to this. There was a post about someone having a sun glare issue with...
I got the one from Mazda and really, really like it. I find things slide around a lot less than the on the aftermarket ones I have had in other cars. It looks great and fits really well.
It is pricey though. Mine came in my car and luckily for me, never got charged out.