See also:

Opener operation
WARNING: - Do not drive with the trunk lid open. This could allow dangerous exhaust gases to be drawn into the vehicle. See Exhaust gas in the Starting and driving section of this manual. ...

Auto-reverse function (if so equipped)
There are some small distances immediately before the closed position which cannot be detected. Make sure that all passengers have their hands, etc., inside the vehicle before closing the ...

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 ...