Metallic window tint film can short circuit the radio antenna on the rear window glass, possibly causing poor (or no) radio reception.
Car Problem Reports
Dodge Magnum Metallic Window Tint Film May Short Circuit Radio Antenna
Dodge Magnum Problem
Visitor, 2005 Dodge Magnum, 62,120 mi
Often loose radio reception on distant AM and FM stations. I have not found a fix yet. I'm certain the issue is with the location of the antenna.