If you have antifreeze in your system the water on the floor will aslo feel somewhat slimy.
Water underneath car carpet.
No matter how much you towel or vacuum off your car s surfaces any fabric and carpeting in your car as well as the chassis beneath will be damp to the touch.
When car carpet gets wet the water seeps down underneath it to the foam backing which can grow mildew on it if it stays wet.
Use a tool such as a screwdriver to create leverage under the sill to prop it up.
Especially if your vehicle is not garaged and oft.
The system cools the cabin by pulling humidity from the air and that moisture needs a place to go.
Use something firm like a brick or wooden plank to hold it open and create an air pocket.
Car a c systems are actually designed to allow water to drain out of your vehicle.
This may be your problem.
Is the carpet in your vehicle wet after a rainstorm or driving through a carwash.
It s often accompied by slight fogging of the windshield and possibly the sweet smell of antifreeze.
Normally condensation in your ac system exits through a small drain tube in the bottom of the vehicle but over time that drain tube can get clogged and cause water to backflow into your car interior.
Water leaking from under the car can be normal especially on hot days when you ve been cranking the a c at full blast.
The moisture under your carpet has to come from somewhere and that somewhere is almost undoubtedly the air conditioning system.