Interior driver side rear floorboard moist/wet/damp
can someone please help me with this issue im having seems to be only on the driver side rear floorboard. its not a puddle but everytime i clean car i pull out the small run and it has a mold on it as well as it being somewhat damp to touch. it does not do this on the pass side only on the driver side in the rear pass floorboard upfront it doenst do anything.
and yes car is parked outside and not under a roof.
any help with this would be greatly appreciated.