NISSAN 2010 Altima Coupe - Owner's Manual - Manual (Page 32)

To lower, push and hold the lock knob and push
the head restraint down. Removal
Use the following procedure to remove the ad-
justable head restraints.
1. Pull the head restraint up to the highest
position.
2. Push and hold the lock knob and release
knob.
3. Remove the head restraint from the seat.
4. Store the head restraint properly so it is not
loose in the vehicle.
5. Reinstall and properly adjust the head re-
straint before an occupant uses the seating
position.
LRS0889 WRS0922
Safety—Seats, seat belts and supplemental restraint system 1-13