Introduction:

1.connect the foot(4) by bolts, fixed the base(3) on the ground.

2.used the key(the concave at the top position )into the keyhole(7), turn right a little, the lock has been opened.

3.push down the block circle (1)(pls refer as the picture), then the car can enter into the parking position.

4.Just reverse cooperate as hereinbefore when you drove the car left the parking position, so it is locked.