Adjusting the rear seat outer head restraints manually
WARNING Risk of injury due to incorrectly adjusted head restraints
If head restraints have not been adjusted correctly, there is an increased risk of injury in the head and neck area, e.g. in the event of an accident or sudden braking.
Before driving off, make sure for every vehicle occupant that the centre of the head restraint supports the back of the head at about eye level.
Adjust the head restraint fore-and-aft position so that it is as close as possible to the back of your head.
To raise:
pull the head restraint upwards and let it engage. To lower:
press release knob 
in the direction of the arrow. Push the head restraint down and let it engage.
To adjust the angle of the head restraint:
pull or push the head restraint in the direction of arrow 
.