Mercedes-Benz Citan 2015 Operating Instructions Manual page 52

Driving safety systems
50
Sensors in the vehicle interior
Sensors in the A-pillar
:
Switching on
X
Make sure that:
the side windows are closed
R
the front tilting skylights are closed
R
no objects, such as mascots, are dangling
R
in front of sensors :
This will prevent false alarms.
X
Make sure that:
the doors are closed
R
the tailgate is closed or the rear doors are
R
closed
the bonnet is closed
R
Only then can ATA be activated.
X
Lock the vehicle with the key.
ATA is primed after approximately ten sec-
onds.
Switching off
X
Unlock the vehicle with the key.
or
X
Insert the key into the ignition lock.
ATA switches off automatically.