Mitsubishi i-MiEV 2011 Owner's Manual page 101

Seat and restraint systems
CAUTION
!
Check that the lock knob (A) is extended out as
shown in the illustration. Then pull the head
restraint up to make sure that it is locked in place
and will not come out of the seatback.
2
2-12
CAUTION
!
The shape and size of the head restraint differs
according to the seat. Always use the correct head
restraint provided for the seat and do not install the
head restraint in the wrong direction.