Please using the original key to turn on the rock-bolt(4 sections are all turned on).
To put L shape wrench into the inducting hole and press it completely to the end.
To turn L shape wrench with a 90 degree angle in counter clockwise direction.
At the same time you should hear a sound like "Ka", please keep wrench in position and do not take it out.
To turn the key back about half key with a 90 degree (ie, About lock at level 3 and half position) from tilting tongue position, then release your hand from the key.
(Please do not take out the key.)
To turn the L shape wrench into its original position and take out the wrench when you hear a sound like "Ka".
To turn the key from left as well as right to test if the switch lock is in four levels. If it can work normally, switch lock in four levels is complete.
