Blocking wheels
Nissan Altima / Nissan Altima Owners Manual / In case of emergency / Flat tire / Changing a flat tire / Blocking wheels

Place suitable blocks 1 at both the front and back of the wheel diagonally opposite the flat tire 2 to prevent the vehicle from moving when it is jacked up.
WARNING
Be sure to block the wheel as the vehicle may move and result in personal injury.
See also:
Infants
Infants up to at least 1 year old should be placed
in a rear-facing child restraint. NISSAN recommends
that infants be placed in child restraints
that comply with Federal Motor Vehicle Safety
...
Storage box (if so equipped)
...
Child restraints
...
