Premise: How to dehumidify a car<br>Vacuum up lots of water with a wet/dry vac. If your car is soaked or if there's a lot of standing water, you'll want to start by getting that out. Use a wet/dry vac to remove the excess water.
Hypothesis: Vacuum up lots of water with a wet/dry vac is the first step to follow if you want to dehumidify a car.