See also:

Child restraints
...

Blocking wheels
Place suitable blocks 1 at both the front and back of the wheel diagonally opposite the flat tire to prevent the vehicle from moving when it is jacked up. Be sure to block the wheel as th ...

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 ...