Driving
CONTROLS
The LED goes out.
Establishing operational readiness
of Automatic Hold
1. Turn on drive readiness.
The indicator light goes out.
2.
Press the button.
The LED lights up.
Automatic Hold is switched off.
If the vehicle is being held by Automatic Hold,
press additionally on the brake pedal, when
switching off.
The indicator light lights up green.
Automatic Hold is functional.
After every vehicle restart, the last se‐
lected setting is active.
Malfunction
If the parking brake fails or in case of a fault, se‐
cure the vehicle against rolling before exiting.
Automatic Hold holding the vehicle
A Check Control message is displayed.
Operational readiness is established and the
driver's door is closed.
Secure the vehicle against rolling away, for in‐
stance with a wheel chock, after exiting the vehi‐
cle.
After the brake is applied, the vehicle is
kept from rolling as soon as the indicator
light illuminates green.
After a power interruption
To reestablish parking brake functionality after a
power interruption:
Driving off
Press the accelerator pedal to drive off.
1. Turn on standby state.
The brake is released automatically and the indi‐
cator light of the parking brake is no longer illumi‐
nated.
2.
Pull the switch while stepping on the
brake pedal or selector lever position P is set
and then push.
Activating the parking brake
automatically
The parking brake is automatically set if drive-
ready state is switched off while the vehicle is
being held by Automatic Hold or if the vehicle is
exited.
This process may take a few seconds. Some
mechanical sounds associated with this process
are normal.
The indicator light is no longer illumi‐
nated as soon as the parking brake is
ready for operation again.
The indicator light changes from green
to red.
Turn signal
The parking brake is not set automatically, if the
drive-ready state is switched off, while the vehi‐
cle is coasting to a halt. Automatic Hold is deacti‐
vated.
Turn signal in exterior mirror
When driving and during operation of the turn
signals or hazard warning system, do not fold in
the exterior mirrors, so that the signal lights on
the exterior mirror are easy to see.
Switching operational readiness off
Press the button.
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Online Edition for Part no. 01405A37F46 - VI/21