WARNING   WARNING:  The head restraint is a safety device. Whenever possible it should be installed and properly adjusted when the seat is occupied. Failure to adjust the head restraint properly could reduce its effectiveness during certain impacts.
WARNING   WARNING:  Adjust the head restraints for all passengers before you drive your vehicle. This will help minimize the risk of neck injury in the event of a crash. Do not adjust the head restraints when your vehicle is moving.

Adjust the head restraint so that the top of it is level with the top of your head.
The outermost head restraints are non-adjustable.
Pull the center head restraint up to raise it.
To lower the center head restraint:
  1. Press and hold the unlock and remove button.
  2. Push the head restraint down.