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DRIVER SUPPORT
214
NOTE
The Queue Assist function can hold the car
stationary for a maximum of 4 minutes - then
the parking brake is applied and the adaptive
cruise control is disengaged.
•
The parking brake must be released
before the adaptive cruise control can be
reactivated.
Change of target
If the target vehicle in front suddenly turns then there
may be stationary traffic in front.
When the adaptive cruise control is following
another vehicle at speeds below 30 km/h
(20 mph) and the target is changed from a mov-
ing vehicle to a stationary vehicle, the adaptive
cruise control will brake for the stationary vehicle.
WARNING
When the adaptive cruise control is following
a vehicle in front at speeds in excess of
30 km/h (20 mph) and the target is changed
from a vehicle in front to a stationary vehicle,
the adaptive cruise control will ignore the sta-
tionary vehicle and instead select the stored
speed.
•
The driver must intervene him/herself and
brake.
Automatic standby mode with change
of target
The adaptive cruise control is disengaged and set
in standby mode:
•
when the speed is below 5 km/h (5 mph)
and the adaptive cruise control is uncertain
whether the target object is a stationary vehi-
cle or some other object, e.g. a speed bump.
•
when the speed is below 5 km/h (5 mph)
and the vehicle in front turns off so the adap-
tive cruise control no longer has a vehicle to
follow.
Termination of automatic braking at a
standstill
In certain situations, queue assistance stops
automatic braking at a standstill. This means that
the brakes are released and the car may start to
roll - the driver must therefore intervene and
brake the car himself/herself in order to maintain
its position.
Queue assistance releases the foot brake and
sets the adaptive cruise control in standby mode
in the following situations:
•
the driver puts his/her foot on the brake
pedal
•
the parking brake is applied
•
the gear selector is moved to P, N or R posi-
tion
•
the driver sets the adaptive cruise control in
standby mode.
Automatic activation parking brake
In certain situations queue assistance applies the
parking brake in order to keep the car remaining
stationary.
This takes place if:
•
the driver opens the door or takes off his/her
seatbelt
•
ESC is changed from Normal to Sport
mode
•
Queue assistance has held the car stationary
for more than 4 minutes
•
the engine is switched off
•
the brakes have overheated.
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