●
If the ignition is switched o.
●
The driver's seat belt is unbuckled and the
driver's door is open.
●
The vehicle has been stopped for more than
30 minutes.
Driving with the drowsiness monitor
Connection and disconnection
Depending on the country, the drowsiness
monitor is activated whenever the vehicle's
drive system is activated. In this case, the info-
tainment system displays an overview of the
individual systems and automatically activated
functions in the input menu.
If desired, you can switch o the drowsiness
monitor manually in the infotainment system:
1.
Open the Assistance systems menu.
2.
Switch the drowsiness monitor on or o in
the corresponding submenu ›››page39..
Sensitivity adjustment
You can manually adjust the sensitivity of the
drowsiness monitor and therefore influence
how quickly the system reacts to your driving
behaviour.
In the infotainment system:
1. Open the Assistance systems menu.
2. Open the Drowsiness monitor.
3. Select the sensitivity in the Sensitivitysub-
menu›››page39.
Concealing messages via the multi-function
steering wheel
1. Press the button on the multifunction
steering wheel.
Drowsiness monitor warning levels
If the system detects that the driver is tired, it
indicates this visually on the instrument cluster
display by means of a control or warning lamp
in combination with a supplementary text mes-
sage and an audible warning. The warning is
issued at three levels.
Drowsiness monitor warning - Level 1
The system has detected that the driver is
becoming tired. An audible signal sounds.
A white control lamp and a text message
are shown on the instrument cluster dis-
play. Consider taking a break.
Drowsiness monitor warning - Level 2
The system has detected that the driver
is becoming increasingly tired. An audible
signal sounds. A red warning lamp is shown
on the instrument cluster display together
with a text message. Consider taking a
break soon.
Drowsiness monitor warning - Level 3
Serious risk identified. An audible signal
sounds. A red warning lamp is shown on
the instrument cluster display together
with a text message. Serious trac risk.
Stop driving as soon as possible and pro-
ceed urgently to the nearest place where
you can take a break.
Time-related information
The drowsiness monitor detects that the
driver has been driving for 4.5 hours with-
out a break and without any recognised
fatigue. A white control lamp and a text
message are shown on the instrument
cluster display. Consider taking a break.
Troubleshooting
Availability of the drowsiness monitor is
restricted
An audio signal sounds. A yellow control light
appears along with a text message on the in-
strument cluster screen. The availability of the
drowsiness monitor is restricted.