Faults in the gearbox
Gearbox: Fault! Stop the vehicle and
place the lever in P
●
There is an anomaly in the gearbox. Stop
the vehicle in a safe place and do not continue
driving. Seek specialist assistance.
Gearbox: System fault! You may con-
tinue driving
●
Have the fault corrected by a specialised
workshop without delay.
Gearbox: System fault! You can con-
tinue driving with restrictions. Reverse gear
disabled
●
Take the vehicle to a specialised workshop
and have the fault repaired.
Gearbox: System fault! You can con-
tinue driving in D until switching o the en-
gine
●
Stop the vehicle in a safe place. Seek special-
ist assistance.
Gearbox: too hot. Adapt your driving
accordingly
●
Continue driving slowly. When the warning
lamp goes out, you can continue driving nor-
mally.
Gearbox: press the brake and engage a
gear again
●
If the warning was caused by the temperature
of the gearbox, this driver message will be dis-
played when the gearbox has cooled again.
Emergency mode
If all the gear positions are shown over a light
background on the instrument cluster, there is
a system fault and the automatic gearbox will
operate with the backup programme. It is still
possible to drive the vehicle, but at low speeds
and within a selected range of gears. Driving in
reverse gear may not be possible.
Parking lock manual release mechanism
If, in the event of a power failure (e.g. the 12-volt
vehicle battery is drained), the vehicle must be
towed and the parking lock can be released
manually. In this case, you should seek profes-
sional assistance.
Driving on slopes
downhill assistant
Downhill speed control is activated when the
gear lever is in the D/S position and the brake is
applied. An appropriate lower gear is engaged.
The assistant attempts to maintain the speed
at which the vehicle was travelling when the
brake was applied, within logical limits. It may
be necessary to correct the speed by pressing
the brake.
The assistant can only change down as far as
3rd gear. It is possible that on very steep slopes
you may have to switch to tiptronic mode and
then manually change down to 2nd or 1st gear
to take advantage of engine braking and take
the load o the brake system.
Downhill speed control is deactivated as soon
as the road levels out again or you press the
accelerator pedal.
On vehicles with a cruise control system
›››page194, downhill speed control is activa-
ted when you set a cruising speed.
WARNING
The downhill speed control cannot defy the
laws of physics. Therefore, speed cannot be
kept constant in all situations. Always be pre-
pared to use the brakes!
Steering
Information relating to dierent vehi-
cle processes.
To make the vehicle more dicult to steal, al-
ways lock the steering before leaving the it.
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