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208 Driving mode
If the à symbol appears on lever 1:
Observe the notes in the section on the elec‐
#
tric independent trailer brake (
Applying the electronic parking brake man‐
ually
Requirements:
The vehicle is standing still.
R
Press the ! button.
#
or
Pull lever
1
past the detent.
#
The parking brake is applied.
The indicator lamp on the ! button will
light up red.
The ! indicator lamp in the instrument
cluster lights up red.
Releasing the electronic parking brake man‐
ually
Requirements:
The engine is running or the ignition is
R
switched on.
The pressure in brake circuits 1 and 2 is suffi‐
R
cient.
Depress the brake or accelerator pedal.
#
Press the ! button.
#
The parking brake is released.
The indicator lamp in the ! button will go
out.
The ! indicator lamp in the instrument
cluster goes out.
Applying the electronic parking brake auto‐
matically
Requirements:
The vehicle is standing still.
R
The engine is running or the ignition is
R
switched on.
Switch off the engine.
#
or
Switch the ignition off.
#
The parking brake is automatically applied.
The indicator lamp in the ! button lights
up red.
The ! indicator lamp in the instrument
cluster lights up red.
Releasing the electronic parking brake auto‐
matically
page 209).
/
Requirements:
The engine is running or the ignition is
R
switched on.
The pressure in brake circuits 1 and 2 is suffi‐
R
cient.
The doors are closed.
R
Shift from transmission position i to h or
#
k.
The HOLD function of the electronic brake
system is activated.
The ë indicator lamp is displayed in the
instrument cluster.
The vehicle is held by the service brake.
The parking brake is released.
Depress the accelerator pedal.
#
The HOLD function of the electronic brake
system is deactivated.
The vehicle starts moving.
The ë indicator lamp in the instrument
cluster goes out.
Testing the parking brake
Requirements:
The pressure in brake circuits 1 and 2 is suffi‐
R
cient.
The parking brake is applied.
R
Lever
R
Pull lever
#
The test position of the parking brake is acti‐
vated.
The
appears in the display.
%
During the test, the tractor/trailer combina‐
tion is only held by the force exerted by the
spring-loaded brake of the towing vehicle.
The trailer/semitrailer brake is released.
Secondary braking with electronic parking
brake
Requirements:
The parking brake is released.
R
Depending on the desired strength of the aux‐
#
iliary braking, pull lever
the locking point.
The parking brake is applied depending on
the lever position.
1
is in the starting position.
1
past the detent and hold.
Performing check position
event window
1
no further than
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