I just had 3M metallic tint installed and it interfered with my CA significantly. I had to literally take my FOB out of my pocket and point it at the rear window to open and close my doors. It would also say it did not detect the fob in the car randomly as well. So needless to say I had it removed which took a good 2 hours with those hooligans climbing all over my car. Looking at 3M cryst or Wincos ceramic or whatever it is that doesn't prevent me from opening my doors!
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