Driving and operating
135
Ensure tyres (including the spare) are
attempt to go as fast through turns as
Towing the vehicle 3 192.
inflated to the correct pressure
you might in a conventional vehicle.
3 210 and are suitable for the
Strong crosswinds can affect the
Driving through water
prevailing road conditions. For
normal steering of the vehicle. Drive
Do not exceed the maximum wading
optimum system performance, the
slower under strong crosswind
depth 3 207.
vehicle's tyres should not have
conditions.
Check the depth of water: choose the
varying degrees of wear.
lowest entry and departure angles
Off-road driving
If control indicator B flashes in the
before entering. Maintain a steady
■ Avoid protruding objects (such as
instrument cluster during driving, All-
engine speed, to help prevent water
rocks or tree stumps) that may
wheel drive is temporarily disabled. If
from entering the exhaust system, but
damage the underbody and tyres of
B flashes continuously, there is a fault
do not exceed 3 mph, to avoid
your vehicle.
in the system; seek the assistance of
splashing the water.
a workshop.
■ Test the brakes after operating in
Drive with the flow wherever possible,
mud, to clear excess mud from the
All-wheel drive control indicator B
not against it. If you have to drive
braking surfaces.
3 86.
against the flow, try to drive at an
■ Grip the steering wheel when
angle to it, so that the leading corner
On-road driving
travelling over rough terrain.
of the vehicle will help deflect water
The increased traction of All-wheel
Terrain conditions can cause rapid
from the engine compartment. Avoid
drive vehicles offers greater driving
and unexpected movement in the
splashing the water - if the ignition
control in adverse road conditions,
steering.
system becomes wet, the engine may
particularly heavy snow and ice.
The ground clearance, ramp angle,
stall.
However, All-wheel drive vehicles are
angle of approach and departure and
Avoid water entering the air intake
not "skid-proof" and do not decrease
wading depth need to be considered,
system. If water enters the air intake
stopping distances.
especially in hilly conditions and
system, engine seizure with severe
All-wheel drive vehicles have a higher
when wading, to prevent the vehicle
costly damage may result.
centre of gravity than conventional
becoming stuck and possibly
Test the brakes after leaving the
vehicles. Always approach curves at
damaged.
water - wet brakes are less effective
an appropriate driving speed. Do not
Vehicle dimensions 3 207.
than dry ones. Perform the service
136
Driving and operating
operations for wading , involving
mechanical components and cause
■ Transfer box and underguard
checks for water contamination, at
localised overheating and failure of
■ Engine oil pan and underguard
the earliest opportunity.
parts, especially in the engine
Observe the following:
compartment.
Service checks after wading
■ Do not spray high-pressure water
Ensure the radiator core and the area
Check for the ingress of water into the
directly at the vehicle seals
between the radiator and intercooler/
following:
oil cooler (where installed) is cleaned,
■ The wheels must be removed to
■ Brake fluid reservoir
to maintain proper cooling air flow.
clean all mud and stones from the
Check the radiator and cooler cores
brake calipers and to check brake
■ Air cleaner element
for blockage (sand, silt etc.).
pad wear
■ Engine
Check the tyre treads.
■ The areas on the upper side of the
■ Transmission
underguards must be cleared of
Clean and check the mechanical
■ Axles
stones, to prevent damage to the
parts of the vehicle, particularly the
■ Interior of vehicle
engine oil pan and the fuel tank
following areas:
Renew any lubricating oil or hydraulic
■ Driveshafts, including sealing
fluid that has a milky appearance,
bellows
indicating contamination with water.
■ Front brake calipers, pads and
Cleaning
discs
Clean the vehicle thoroughly and as
■ Front suspension
soon as possible after driving off-
■ Clutch fork sealing bellows
road.
■ Rear brake calipers, pads and
Do not let mud remain dry on any part
discs
of the vehicle as it becomes abrasive
■ Rear suspension
and can damage paint, glass, seals,
bearings and brake components. If
■ Fuel tank and underguard
left to build up, mud can seriously
■ Breathers, axles and fuel tank
affect the airflow through and over
■ Load sensing valve
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Driving and operating
137
ABS starts to regulate brake pressure
Brakes
hard braking, the vehicle can no
as soon as a wheel shows a tendency
longer be steered and may
to lock. The vehicle remains
The brake system comprises two
swerve.
steerable, even during hard braking.
independent brake circuits.
ABS control is made apparent
You can continue driving, provided
If a brake circuit fails, the vehicle can
through a pulse in the brake pedal
you drive with care and anticipation.
still be braked using the other brake
and the noise of the regulation
Have the cause of the fault remedied
circuit. However, braking effect is
process.
by a workshop.
achieved only when the brake pedal
is depressed firmly. Considerably
For optimum braking, keep the brake
more force is needed for this. The
pedal fully depressed throughout the
Parking brake
braking distance is extended. Seek
braking process, despite the fact that
the assistance of a workshop before
the pedal is pulsating. Do not reduce
Electrical parking brake
continuing your journey.
the pressure on the pedal.
When the engine is not running, the
After starting off, the system performs
support of the brake servo unit
a self-test which may be audible.
disappears once the brake pedal has
Control indicator u 3 86.
been depressed once or twice.
Braking effect is not reduced, but
Fault
braking requires significantly greater
force. It is especially important to bear
9 Warning
this in mind when being towed.
If there is a fault in the ABS, the
Control indicator R 3 85.
wheels may be liable to lock due
to braking that is heavier than
Antilock brake system
normal. The advantages of ABS
Antilock brake system (ABS)
are no longer available. During
prevents the wheels from locking.
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138
Driving and operating
Applying when vehicle is stationary
Drive away function
Fault
Pull switch m, the electrical parking
With the engine running, selecting a
Failure mode of electrical parking
brake operates automatically with
forward gear (manual transmission)
brake is indicated by control indicator
adequate force. For maximum force,
or engaging D (automatic
j 3 86.
e.g. parking with a trailer or on
transmission) and then depressing
In the event of a fault, to apply
inclines, pull switch m twice.
the accelerator pedal automatically
electrical parking brake: pull and hold
releases the electrical parking brake.
The electrical parking brake can
the switch m for a few seconds. If
This is not possible when the switch
always be activated, even if the
control indicator m illuminates,
m is pulled at the same time.
ignition is off.
electrical parking brake has been
This function also helps driving away
applied successfully.
Do not operate electrical parking
on inclines.
brake system too often without
To release electrical parking brake:
engine running as this will discharge
Aggressive drive away may reduce
push and hold the switch m for a few
the battery.
life time of wear parts.
seconds. If control indicator m
Before leaving the vehicle, check the
extinguishes, electrical parking brake
Dynamic braking when vehicle is
electrical parking brake status.
has been released successfully.
moving
Control indicator m 3 86.
If control indicator m flashes:
When the vehicle is moving and the
electrical parking brake is not fully
switch m is kept pulled, a warning
Releasing
applied or released. When m is
chime will sound and the electrical
Switch on ignition. Keep foot brake
continuously flashing, with ignition
parking brake system will decelerate
depressed and then push switch m.
switched on depress brake pedal,
the vehicle, but will not apply
release electrical parking brake and
If the foot brake is not depressed
statically.
retry applying.
when attempting to release electrical
As soon as the switch m is released,
parking brake, a warning chime will
If m continues to flash, do not drive
dynamic braking will be stopped.
sound and control indicator -
the vehicle. If necessary, place
illuminates in the instrument cluster
wedge blocks or equivalent in front of
3 90.
and behind wheels to prevent vehicle
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139
Driving and operating
movement. Seek the assistance of a
Ride control systems
9 Warning
workshop to have the cause of the
fault remedied.
Electronic Stability Control
Do not let this special safety
Electronic Stability Control (ESC)
feature tempt you into taking risks
Brake assist
when driving.
improves driving stability when
If the brake pedal is depressed
necessary, regardless of the type of
Adapt speed to the road
quickly and forcefully, maximum
road surface or tyre grip. It also
conditions.
brake force is automatically applied
prevents the drive wheels from
(full braking).
spinning.
Deactivation
Maintain steady pressure on the
As soon as the vehicle starts to
brake pedal for as long as full braking
swerve (understeer/oversteer),
is required. Maximum brake force is
engine output is reduced and the
automatically reduced when the
wheels are braked individually. This
brake pedal is released.
considerably improves the driving
stability of the vehicle on slippery road
surfaces.
Hill start assist
ESC is operational as soon as control
The system helps prevent unintended
indicators b and t extinguish in the
movement when driving away on
instrument cluster after switching on
inclines.
the ignition.
When releasing the foot brake after
When ESC is active b flashes 3 87.
stopping on an incline, the brakes
remain on for a further 2 seconds. The
With ESC active, if wheels are
brakes release automatically as soon
slipping on wet, snowy or icy roads,
as the vehicle begins to accelerate.
engine speed may not increase when
accelerator pedal is depressed. The
vehicle may not move.
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140
Driving and operating
Switch off ESC function, to allow
Activation
Descent control system
engine rpm to increase, by pressing
The Descent control system (DCS)
button t briefly. Control indicator t
allows the vehicle to travel at a low
illuminates in the instrument cluster.
speed without depressing the foot
ESC is reactivated by pressing button
brake. The vehicle will automatically
t again. The control indicator
decelerate to a low speed and remain
extinguishes.
at that speed when the system is
Control indicator t 3 88.
activated. Some noise or vibration
from the brake system may be
Hydraulic brake assist
apparent when the system is active.
When the ESC function comes into
action and recognises any
Caution
emergency situation requiring hard
braking, it automatically delivers
Use only when descending steep
At speeds below approx. 30 mph,
increased braking pressure to the
grades while driving off-road. Do
press button u. The green control
wheels.
not use when driving on normal
indicator u flashes in the instrument
road surfaces. Unnecessary
Active rollover protection
cluster, to show DCS is in operation.
usage of the DCS function, such
If the vehicle moves in an unstable
as while driving on normal roads,
DCS will not activate at speeds above
manner, this function helps the
may damage the brake system
30 mph, even if the button is pressed.
vehicle maintain normal stability.
and the ESC function.
Deactivation
Trailer stability assist
Press button u again. The green
If the system detects snaking
control indicator u extinguishes.
movements, engine power is reduced
Depressing the foot brake or
and the vehicle/trailer combination is
accelerator will also cause the system
selectively braked until the snaking
to be deactivated.
ceases. While system is working keep
steering wheel as still as possible.
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