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In some parking situations, the parking
brake is automatically engaged, when selec-
tor lever position P is engaged. In these
cases, the parking brake is released auto-
matically when you leave the selector lever
position P.
While driving
To use as emergency brake while driving:
Pull the switch and hold it. The vehicle
brakes hard while the switch is being
pulled.
The indicator light lights up red, a
signal sounds and the brake lights
light up.
A Check Control message is displayed.
If the vehicle is decelerated to a complete
stop, the parking brake is engaged.
Releasing
Releasing manually
1. Switch on standby state.
2. Press the switch while stepping on
the brake pedal or selector lever posi-
tion P is set.
The LED and indicator light go out.
The parking brake is released.
Automatic release
For automatic release, step on the accelera-
tor pedal.
The LED and indicator light go out.
The parking brake is automatically released
when you step on the accelerator pedal un-
der the following conditions:
– Standby state switched on.
– Drive mode engaged.
– Driver buckled in and doors closed.
Malfunction
If the parking brake fails or malfunctions,
secure the vehicle against rolling before ex-
iting.
A Check Control message is displayed.
Secure the vehicle against rolling away, for
instance with a wheel chock, after exiting
the vehicle.
After a power failure
Re-activating the parking brake
1. Switch on standby state.
2. Press the switch while stepping on
the brake pedal or selector lever posi-
tion P is set.
It may take several seconds for the brake to
be reactivated. Some mechanical sounds as-
sociated with this process are normal.
The indicator light in the instrument
cluster goes out as soon as the park-
ing brake is ready for operation.
Hold function
Concept
The system holds the vehicle automatically
when gear is engaged. This prevents rolling
against the direction of travel.
In selector lever position D, the vehicle can-
not roll backwards. In selector lever posi-
tion R, it cannot roll forward. The brake
pedal does not have to be pressed.
Reducing energy consumption
To reduce energy consumption when the
hold function is activated, activate the park-
ing brake or engage the selector lever in po-
sition P when the vehicle is stopped for
long periods of time.
Seite 108
CONTROLS Driving
108
Online Edition for Part no. 01405A02680 - II/20
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