Stefano, hopefully the humidity is not too high where you are; otherwise it will take longer for the seats to dry out. Using a hair dryer on a low heat setting should speed the drying process. Mold shouldn't be a problem if they don't remain wet for days and days. Once the seats are dry enough to sit on you may want to take a long ride with the heater on, high fan speed and the sunroof tilted open to expedite the drying process.

__________________
Fred Hoelzle