Is it advisable to adjust and adapt the vehicle's headrests to the physical build of the occupants?

Is it advisable to adjust and adapt the vehicle's headrests to the physical build of the occupants?
A)It is not necessary because it is only a comfort element.
B)Yes, but only on urban roads.
C)Yes, because it is a safety element that can prevent injuries to the cervical area.Correct
The headrest is an important passive safety element that can significantly reduce the likelihood of suffering cervical injuries. Proper adjustment is vital, both in the front and rear seats:
- The upper edge of the headrest should be positioned between the top of the head and eye level.
- There should be no gap between the driver's head and the headrest, or it should be as small as possible, never more than 4 cm.