See also:

Tachometer
The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev engine into the red zone 1 . CAUTION When engine speed approaches the red zone, shift to a higher gear or reduc ...

Remote keyless entry system (models without NISSAN Intelligent Key™) (if so equipped)
● Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences befo ...

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 ...