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07 Driver support
07
192
The driver will then have to reactivate ACC in
one of the following ways:
•
By pressing
•
By accelerating up to at least 3 mph
(4 km/h). ACC will then resume following
the vehicle ahead.
Your vehicle will then resume following the
vehicle ahead at the set time interval.
NOTE
ACC can remain active and keep your
vehicle at a standstill for up to 4 minutes.
After 4 minutes have elapsed, the parking
brake will be engaged and ACC will go into
standby mode.
To reactivate ACC, the driver must release
the parking brake (see Parking brake –
general information (p. 268)).
Automatic standby mode when ACC
changes target vehicles
If the vehicle ahead turns suddenly, there may be
a stationary vehicle ahead
The following only applies at speeds below
approximately 18 mph (30 km/h):
If ACC changes target vehicles (the vehicle
that the radar sensor has detected) from a
moving vehicle to a stationary one, the sys-
tem will apply the brakes in your vehicle.
WARNING
At speeds above 18 mph (30 km/h), ACC
will not react to a stationary vehicle and
apply the brakes but will instead acceler-
ate to the previously set speed. The driver
must actively apply the brakes to stop the
vehicle.
ACC disengages and goes into standby
mode if:
•
Your vehicle's speed goes below 10 mph
(15 km/h) and ACC cannot determine if
the target object is a stationary vehicle or
some other type of object such as e.g., a
speed bump.
•
Your vehicle's speed goes below 10 mph
(15 km/h) and the vehicle ahead turns so
that ACC no longer has a target vehicle to
follow.
No automatic braking when at a
standstill
In certain situations, ACC will no longer apply
the brakes and go into standby mode while
the vehicle is not moving. This means that the
driver will have to apply the brakes.
This happens if:
•
The driver presses the brake pedal
•
The parking brake is activated
•
The gear selected is moved to P, N or R
•
The driver presses the
button to put
ACC in standby mode
The parking brake is applied
automatically
In certain situations, ACC will apply the park-
ing brake in order to continue keeping the
vehicle at a standstill.
This happens if:
•
The driver opens the door or takes off
his/her seat belt
•
The stability system is put in Sport mode
(see Stability system – operation (p. 176))
•
ACC has kept the vehicle at a standstill
for more than 2 minutes
•
The engine has been switched off
•
The brakes have overheated
Related information
•
Adaptive Cruise Control – introduction
(p. 184)
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