vocht en schimmel….put a litle electric heathing  radiator inside your car leave the window open  1 cm ( don’t know what that is in micro inches) de dikte van je pink  (thicknes of your smallest finger) (plus minus) for circelation  . If the car is realy damp  put it on al nicht, after that ,ones a week for an hour. The only thing to pay atention to is to make shure the leather dry’s out….i am using baby lotion for the leather.( whats good for baby skin is good for my lady) don this to al my cars for 20 years…..