See also:

Replacing spark plugs
Iridium-tipped spark plugs It is not necessary to replace iridium-tipped (A) spark plugs as frequently as conventional type spark plugs because they last much longer. Follow the maintenance l ...

Automatic door locks
-All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). - All doors unlock automatically when the ignition switch is placed in the OFF position. The automatic lock and unl ...

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 ...