The rear diff lock is one of the most important components of the Pajero while off roading. The extra short wheel travel that we have with the IFS and rear “axle” can cause a lot of unpleasant situations while traveling off road.
Luckily, we have a RD lock that changes that.
The idea is simple, the lock actually discards the rear differential action and enforce both wheels to turn at the same speed.
That way, even if one of the rear wheels doesn’t have any grip on the ground, the other one will still push the Pajero.
That is the “magic” button:
You can see a nice demo in that video: