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90
Tran s mi ss ion
- Before driv ing down a steep slope, re-
duce your speed and shift into a lower
gear with "tiptronic".
- Do not ride the brakes or app ly the brake
pedal too often or too long. Constant
braking causes the brakes to overheat
and substantially reduces braking per-
formance, increases braking distance or
ca uses comp lete failure of the brake sys-
tem.
Hill Descent Assist
Applies t o vehicles : wit h Hill Descent Assist
Hill Descent Assist helps the driver when driv-
ing down inclines.
Hill Descent Assist is activated by pressing the
brake while descending when the selector lev-
e r is in
D/ S.
The S tronic transmission auto-
mat ica lly shifts down t o a gear suitab le for
the incline. Hill Descent Assist attempts t o
maintain the current vehicle speed whe n the
brak ing occurs, as far as phys ica l and t echni -
cal limits allow . It may be necessary to adjust
the speed using the brakes .
Hill Descent Assist swit ches off when the in-
cline levels out or when the gas pedal is press -
ed .
On veh icles with cru ise contro l* ~ page 84,
Hill Descent Assist is a lso activated when the
speed is set .
L!l
WARNING
Hill Descent Assist cannot overcome phys i-
cal limitations, so it may not be possib le to
ma intain a constant vehicle speed under
all circumstances. Always be ready to ap-
ply t he brakes.
tiptronic operation
Tiptronic allows the driver to shift gears man-
ually .
Fig . 99 Center console: Manual shifting (tiptro nic)
Fig. 1 00 Displ ay: Manual shifting (t iptron ic)
Switching to manual
....
M
....
0
~
"' Move the selector lever to the right out of
t he
D
position. The disp lay changes once the
t ra nsm iss ion has sw itched to manual mode .
For examp le,
M4
indica t es that 4th gea r is
engaged.
Upshifting
.., Tap the selector lever fo rward (in the tip-
tronic setting)
~
fig. 99
G).
Downshifting
... Tap the selector lever backward (in the tip-
tronic setting)
0 -
Switch ing to man ual can be carried out with
the vehicle stationary as we ll as moving .
When accelerating, the transmission sh ifts in-
to the next gear in gears 1, 2, 3, 4 and 5
shortly before the maximum permissible en-
gine speed is reached.
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