NISSAN 2012 LEAF - Owner's Manual - Manual (Page 93)

1-8 Safety—Seats, seat belts and supplemental restraint system
The illustration shows the seating positions
equipped with adjustable headrests.
& Indicates the seating position is equipped
with an adjustable headrest.
Components
1. Adjustable headrest
2. Adjustment notch
3. Lock knob
4. Stalks
Adjustment
To raise the headrest, pull it up.