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When stopping at a traffic signal
or
stopp ing in
city traffic on vehicles with an automatic trans-
mission, the park ing brake can be applied
.
The
vehicle does not have to be held with the foot
-
brake. The parking
brake
eliminates the tendency
to creep with a drive range engaged
.
As soon as
you dr ive off as usual
,
the parking brake is re-
leased automatically and the veh icle starts to
move.
Starting on slopes
When starting on inclines, the star
t
ing assist pre-
vents the vehicle from unintentionally rolling
back. The braking force of the parking brake is
not released until sufficient driv ing force has
been built up at the whee
ls.
(D
Tips
For safety reasons, the park ing brake is re-
leased automatically only when the dr iver's
safety belt is engaged in the buckle.
Starting off w ith a trailer
To prevent rolling back unintentionally on an in-
cline, do the following:
.,.
Keep the switch
@
q
page
77,
fig.
92
pulled
and depress the accelerator
.
The park ing brake
stays applied and prevents the vehicle from
rolli
ng backward .
..
You can release the switc
h
@
once you are sure
t hat you are developing enough driving
f
orce at
the whee ls by depressing the accelerator
.
Depending on the weight
of
the rig (vehicle and
trai ler) and the severity of the
incli
ne, you may
roll backwards as you sta rt.
You
can prevent roll
-
ing backwards by holding the parking brake
switch
@
pull
ed out and accelerating - just as
you would when starting on a hill with a
conven-
tional hand brake
.
Dri
v
ing
Emergency braking
In the event that the conventional brake system
fails or
locks.
..
I
n an emergency, pull the switch
@
q
page
77,
fig
.
92
and continue to pull it to slow your vehi-
cle down with the parking brake
.
..
As soon as you release the switch
@
or acceler-
ate, the braking process stops.
If you pull the switch
@
and hold it above a
speed of about 5 mph (8 km/h), the emergency
braking function is initiated
.
The vehicle is braked
at all fo
ur
whee ls by act ivati ng the hydrau lic
brake system. The brake performan ce is simi
lar
to maki ng
an
emergency stop
q
&..
In order not to act ivate the emergency braking by
mis
t
ake, an audible warn ing tone (buzzer)
sounds when the swi
tch
@
is
pull
ed. As soon as
the switch
@
is released, or
t
he accelerator pedal
is depressed, emergency braking stops.
A
WARNING
=
Emergency braking should only be used in an
emergency, when the norma
l
foot brake has
failed or the brake
pedal
is obstructed. Using
the parking brake to perfo rm emergency brak-
ing will slow your vehicle down as if you had
made a full bra ke application
.
The laws of
physics cannot be suspended even with ESC
and its associated components
(ABS,
ASR,
EDS).
I
n corners
and
when road
or
weather
conditions are bad, a f
ull
brake applica
t
ion
can cause the vehicle to skid
or
the rear end to
break away - risking an accident.
Speed
warning
system
Overview
The speed warning sys tem helps you to keep your
driving speed below a set speed limit.
The speed warn ing system warns if the driver ex-
ceeds a previous ly
st
ored maximum speed. A
warning tone will sound as soon as the veh icle
speed exceeds the set speed by about 3 mph
(3 km/h)
.
At the same time, a warning symbo
l
79
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