This happens all the time in the summer. Car has black leather interior. RD is suction cupped to the lower part of the windshield, a few inches above the dash.
I cant even get through a 3 hour trip to the beach without it over heating and goign berzerk. I dont want to put it on the sun visor b/c then it loses the rear protection b/c the sensor is covered by the visor.
Anyone know of any ways to keep it cooler? deflect the sun in some way?