I took my car to a place to get the windows tinted. I even handed them the valet card to make sure they would know how to operate it. They looked at me like I was some sort of idiot. They work at a car customization shop, of course they know how to operate this vehicle! Well, I was busy when they called me to come get the car so it sat on the lot for 2 hours. When I came I went right in and paid. Then when I came out to my car, I noticed my door didn't beep when i got in. Then I saw the navigation scrolling like a video reel. THEY HAD LEFT THE CAR ON! The navigation had overheated because the AC was off, and the gas was down another two notches from when I dropped it off. Have any of you had any serious problems like this with your prius?