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Driving
●
Once you hav
e engaged a gear, gently
press the accelerator and pull on the elec-
tronic parking brake button.
Back-up programme
If all the positions of the lever are shown over
a light background on the instrument panel
display, there is a system fault and the auto-
matic gearbox will operate in with the backup
programme. It is still possible to drive the ve-
hicle, however, at low speeds and within a se-
lected range of gears. Driving in reverse
gear may not be possible.
Kick-down
The kick-down system provides maximum ac-
celeration when the gear selector lever is in
the positions D, S or in the Tiptronic mode.
When the accelerator pedal is pressed right
down, the automatic gearbox will shift down
to a lower gear, depending on road speed
and engine speed. This takes advantage of
the maximum acceleration of the vehicle
›››
.
The upshift t
o the next higher gear is delayed
until the engine reaches maximum rpm.
WARNING
Observe the safety warnings
›
››
in Selec-
t
or lever positions on page 216.
●
Never allow the brake to rub and do not
use the brake pedal too often or for long
periods, as the brakes can overheat. This
r
educes the braking power, increases the
braking distance or even causes a brake
system fault.
●
If you have to stop on a hill, keep the vehi-
cle’s brakes applied with the brake pedal or
parking brake.
WARNING
Please note that if the road surface is slip-
pery or w
et, the kick-down feature could
cause the driving wheels to spin, which
could result in skidding.
CAUTION
●
If you st
op the vehicle on a gradient, do
not attempt to stop it from rolling by de-
pressing the accelerator when a gear has
been selected. This could cause overheat-
ing and damage the automatic gearbox.
●
If you allow the vehicle to roll with the
lever in position N and the engine off, the
automatic gearbox will be damaged by
lack of lubrication.
●
In certain driving situations or traffic con-
ditions, the gears could overheat and be
damaged! If the warning lamp lights up,
stop the vehicle as soon as you can and
wait for the gearbox to cool
›››
page 220.
●
If the gearbox operates with the backup
programme, take the vehicle to a special-
ised workshop and have the fault repaired
without del
ay.
Launch-control program
The Launch-control programme enables
maximum accel
eration from a standstill.
Condition: the engine must have reached op-
erating temperature and the steering wheel
must not be turned.
The engine speed for Launch-control is differ-
ent on petrol and diesel engines.
To use the Launch-control you must discon-
nect the anti-slip regulation (ASR) through the
infotainment system menu
›››
page 85. The
warning lamp will stay switched on or will
flash slowly depending on whether or not the
vehicle has a driver information system.
On vehicles with the driver information sys-
tem, the ESC lamp lights up permanently and
the corresponding text message Stability
control deactivated (temporary) appears
on the instrument panel to indicate the deac-
tivation status.
218
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