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:
Read first — then drive safely
Before driving your vehicle, read your Owner’s
Manual carefully. This will ensure familiarity with
controls and maintenance requirements, assisting
you in the safe operation of your vehicle.
...
2011 Nissan Frontier review
Full-size trucks are a chore to drive in the city — we know; we've done it —
so we wanted to see how Nissan's midsize Frontier would handle an urban
environment, as well as a junkyard run to g ...
Tire pressures
- When towing a trailer, inflate the vehicle
tires to the recommended cold tire pressure
indicated on the Tire and Loading Information
label.
- Trailer tire condition, size, load rating and
p ...
