See also:

Air fresheners
Most air fresheners use a solvent that could affect the vehicle interior. If you use an air freshener, take the following precautions: - Hanging-type air fresheners can cause permanent discolor ...

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 ...

NISSAN dealer.
However, now and then you may notice light spark knock for a short time while accelerating or driving up hills. This is not a cause for concern, because you get the greatest fuel benefit when ther ...