Originally Posted by eldorado99
I'm willing to bet that is why you're getting the smell. The cure is to clean the evap coils with something like the product suggested above. Moisture builds up when you leave it on re-circ mode. It is a good idea to run it in normal AC mode (outside air) for the last couple minutes of travel to help dry out the system when using AC. Some cars seem to be more vulnerable to this than others.
We've had a lot of cars, new and old, and nothing like this on a new car...ever! Is it because it's a RAM, and they smell?