See also:

Distance to back of head: electrical head restraints
The head restraint is automatically repositioned when the shoulder support is adjusted. ...

Interior rearview mirror, automatic dimming feature
The concept The concept Photocells are used for control: ▷ In the mirror glass. ▷ On the back of the mirror. Functional requirement For proper operation: ▷ Keep the photocel ...

Measurement
Measurements are made by ultrasound sensors in the bumpers. The range is approx. 6 ft/2 m. An acoustic warning is first given: ▷ By the front sensors and two rear corner sensors at approx ...