Mercedes-Benz GLC : Display messages / Mercedes me connect

Other information:
DANGER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the tailgate
is open when the engine is running,
especially if the vehicle is in motion.
Always switch off the
engine before
opening the tailgate...
Removing
Release the rear seat backrest
and fold it forwards
slightly.
Pull the head restraint upwards
as far as it
will go.
Push release knob
in the direction of the
arrow and pull out the head restraint.
Installing
Insert the head restraint such
that the
notches on the bar are on the left when
viewed in the direction of travel...