What to Do When Water Gets into the Back Seat of a Car?

[DiThomas]

You can remove the floor mats and carpets, clean them with a car-specific carpet cleaner and a brush, then let them dry. Remove any remaining water inside the car, open the doors to air dry, or drive the car to a sunny area to dry out the moisture. It may be necessary to remove the seats, floor mats, carpets, and underfloor sponges to clear the accumulated water and replace any damaged control units.

[JosephineDella]

I remember after a heavy rain, I opened the car door and found the rear carpet soaked. There must be a leak somewhere. Don’t panic—immediately use a towel or old clothes from the car to soak up the water. If left too long, the water can corrode metal parts and cause mold or unpleasant odors. If the weather is good, open all the doors and windows to let sunlight and air dry the interior, or even use a small fan to help. Next, check the source of the leak, such as whether the sunroof’s drainage holes are clogged with dust or if the rubber seals around the doors are cracked or worn out. For prevention, clean the roof drainage channels before the rainy season to avoid debris buildup. If you can’t fix it yourself, take the car to a repair shop immediately—don’t delay, as prolonged water exposure can damage the electrical system or seat frames.