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Driving
system. Accidents and severe injury may
occur if Traffic Jam Assist is used negli-
gently or involuntarily. The system is not a
repl
acement for driver awareness.
●
Adapt your speed and safe distance to
the vehicle in front of you at all times to suit
the visibility, weather, road and traffic con-
ditions.
●
Do not use Traffic Jam Assist in city jour-
neys.
●
Do not use Traffic Jam Assist if there is
poor visibility, for example, in case of snow,
ice, rain or loose gravel, or on steep or slip-
pery sections or flooded roads.
●
Do not use Traffic Jam Assist offroad or
on roads where the surface is not firm. Traf-
fic Jam Assist has been designed for use on
paved roads only.
●
Traffic Jam Assist does not react to peo-
ple or animals or vehicles crossing your
path or that approach you head-on down
the same lane.
●
If Traffic Jam Assist does not reduce
speed sufficiently, brake the vehicle imme-
diately by applying the pedal.
●
If the vehicle continues to move when you
wish it to stop after a driver intervention
prompt, brake the vehicle by applying the
pedal.
●
If driver intervention is requested on the
dash panel display, immediately resume
control of the vehicle.
●
Keep your hands on the wheel at all times
to be ready to intervene in the st
eering at
any time. The driver is always responsible
for keeping the vehicle in its own lane.
●
Always be prepared to take charge of
driving (accelerating or braking) yourself.
Note
●
If T
raffic Jam Assist does not work as de-
scribed in this chapter, stop using it and
cont
act a specialised workshop.
●
If the system is faulty, take it to a special-
ised workshop and have it checked.
Emergency Assist
Description and oper
ation
Emergency Assist detects whether there is in-
activit
y by the driv
er and can aut
omatically
k
eep the car within the l
ane and st
op it alt
o-
gether if necessary. This way the system can
actively help avoid an accident.
Emergency Assist is an additional function of
Lane Assist
›››
page 286 and combines Lane
Assist functions with Adaptive Cruise Control
(ACC)
›››
page 277. Therefore, it is essential
that you read these two chapters carefully
and note the limitations of the systems and
the information about them.
Operation of Emergency Assist
Emergency Assist detects when the driver
ceases to perform any activity and repeated-
ly requests that he/she regain active control
of the vehicle, through the use of optical and
acoustic warnings and by applying the
brakes.
If the driver continues to do nothing, the sys-
tem automatically takes over the accelerator,
brakes and steering in order to brake the ve-
hicle and keep it in its lane
›››
. When the
emer
gency assist
ant is activ
ely r
egul
ating,
the haz
ar
d lights turn on
›››
page 115.
If the remaining braking distance is sufficient,
if necessary the system slows down the vehi-
cle until it stops completely and automati-
cally switches on the electronic parking
brake
›››
page 299.
Connecting and disconnecting Emergen-
cy Assist
The Emergency Assist is switched on auto-
matically when the Lane Assist is switched on
›››
page 286.
Technical requirements for using the Emer-
gency Assist
●
The adaptive cruise control (ACC) must be
switched on
›››
page 277.
●
The Lane Assist must be switched on
›››
page 286.
290
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