See also:

Turn signal
Do not fold in the exterior mirrors During driving and during the operation of the turn signals/warning flashers, do not fold in the exterior mirror, or else the additional flasher lights ...

LATCH child restraint fixing system
LATCH: Lower Anchors and Tether for CHildren. ...

The concept
This system projects important information into the driver's field of vision, e.g., the speed. In this way, the driver can get information without averting his or her eyes from the road. ...