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Start and driving
Driving with an automatic gearbox
The gearbox changes gear ratios automati-
cally as the v
ehicle moves.
The engine can only start with the selector
lever in position P or N. At low temperatures,
below -10 °C (+14 °F), the engine can only
start with the selector lever in position P.
Driving down hills
Under certain circumstances it may be ad-
vantageous to use the Tiptronic mode to se-
lect the gear manually according to driving
conditions
›››
.
St
op/Park
On level ground, just use the lever to engage
position P. On slopes you should first apply
the parking brake and then set the lever to P.
This makes it easier to remove the lever from
position P when starting.
If the driver door is opened and the lever is
not in position P, the vehicle could move. The
following warning is displayed on the instru-
ment panel: Gear change: selector
lever in the drive position!. Addi-
tionally, a buzzer will sound.
Stopping on a downhill
Always apply the brake pedal firmly to pre-
vent the vehicle from moving; if necessary,
apply the electronic parking brake
›››
.
Do not accel
erate while a range of gears is
engaged to prevent the car from rolling
downhill
›››
.
St
arting off uphill with the Auto Hold func-
tion
●
Once you have engaged a gear, take your
foot off the brake pedal and gently press the
accelerator.
Starting off uphill without the Auto Hold
function
●
Pull on the electronic parking brake button.
●
Once you have 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 231.
●
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
reduces 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
»
233
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