Anyone have trouble with their outdoor thermometer? I just bought a 2005 Sorento EX and find my thermometer is way off when vehicle is sitting out in the sun all day. Our typical days of late have been 108-112 degrees yet it shows 88 degrees. That would be wonderful but obviously not correct. I leave the windows cracked and a sun shade up to allow hot air to escape, thinking that the extreme heat building up may be the trouble. Unfortunately this hasn't worked.