Leave a baby in a car?

So Dallas and I were finding a way to hang, protect, and keep from wrinkling a bazillion chair covers in the garage the other day, and Landon wanted to get into everything and the dust on the garage floor was making him filthy so, I decided to put him in the car.  I did roll down some window, just to make myself feel better about the whole thing...and no the car was not on.  So, as we are working I look in to check on him and there he is...having the time of his life!