First, the door sealing strip is not well sealed, and water comes in through the door!
Second, there is a leak under the car, and the water runs up from below!
Third, the radiator tank leaks into the car!
Check the problem and fix it in time. Glad to answer your question, I hope I can help you! If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.