See also:

Moisture
Accumulation of sand, dirt and water on the vehicle body underside can accelerate corrosion. Wet floor coverings will not dry completely inside the vehicle, and should be removed for drying to ...

Storage box (if so equipped)
...

Exhaust gas (carbon monoxide)
WARNING: - Do not breathe exhaust gases; they contain colorless and odorless carbon monoxide. Carbon monoxide is dangerous. It can cause unconsciousness or death. - If you suspect that exhaus ...