See also:

Look well ahead when driving
Avoid unnecessary acceleration and braking. By maintaining a suitable distance to the vehicle driving ahead of you. Driving smoothly and looking ahead reduces fuel consumption. ...

Malfunction
A Check Control message is displayed. On the Control Display, the areas in front of and behind the vehicle are shaded. PDC has failed. Have the system checked. To ensure full operability: ...

Adjusting the height: manual head restraints
The height of the outer head restraints can be adjusted. To raise: pull. To lower: press the button, arrow 1, and push the head restraint down. ...