I own a 2008 jeep cherokee Laredo but I must admit I'm clueless about cars,repairs,and anything else regarding vehicles. I always feel as if I'm getting ripped off when I go to the dealer for any reason. If anyone can help out here it would be much appreciated.. Here's the problem: I Started my jeep this morning and for no reason at all the heat just isn't working and it blows cold air out all the vents. The temperature gauge is working normal and I know when I bring it in they're goin to tell me it's at least $1000 if not more. Does anyone have any suggestions or ideas on what it may be or what I can do to avoid getting killed at the dealership. Thanks so much for any help..Joe