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Audi A8 2008 - Page 168

Audi A8 2008
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___ A_ u_t_o_ m_ a_t_i_c_ t_r_a_n_s_ m_ is_s_io_ n ________________________________________________ _
A ut o m at ic se lec tor lever lo ck
The selector lever is locked in the P and N pos itions when the ign i-
tion is turned on. To move the lever from these positions the driver
must depress t he brake peda l. As a reminder to t he driver, the
follow ing warn ing appears in the instrument cluster disp lay when
the selector is in
P and N:
When stationar y appl y foot brake while selecting gear
A time de lay element prevents the selector lever from lock ing when
it is moved through the
N position (going from R to Dl. The locking
element will lock the selector lever if the lever is left in N (Neutral)
for more than approximate ly 1 second, without the brake peda l
being pressed.
At speeds above about 3 mph (5 km/h) the Automatic Shift Lock is
automatically deactivated in the
N pos ition .
Int e rl ock button
The lock button on t he selector lever prevents the lever from being
accidentally shifted into certain positions. Pressing this button
deactivates the selector lever lock. Depending on the direction of
the shift, the selector lever locks at different positions . The positions
are high lighted in the illustration =>
page 165, fig . 185.
Igniti o n k ey sa f e t y in t e rlock
The key cannot be removed from the ignition un less the selector
lever is in the
P park position. When the ignition key is removed, the
selector leve r wil l be locked in the
P posi t ion .
Kick-down
The kick-down feature allows the vehicle to generate
maximum acceleration.
When you press t he accelerator peda l beyond the resistance point
that is reached at ful l throttle, the transmission will select a lower
gear ratio based on vehic le speed and engine RPM. The engine RPM
wi ll be control led to produce maximum vehicle acce leration as long
as you continue to press the accelerator pedal beyond this resis -
t ance point.
& WARNING
Be careful when using th e kick-down feature on slippery roads.
Rapid accelerat ion may cause the vehicle to skid.
Dynamic shift program (DSP)
The aut omatic transmission is electronically controlled.
The transmission is self adapting and wi ll autom ati cally select the
best shift program suited to t he driving condi t ions and drivi ng style.
The transmission will select one of the
economy programs when
you drive at a steady speed or a gradual ly changing speed without
heavy acce leration . This achieves optimum fuel efficiency, with ear ly
upshifting and delayed downshifting .
The trans mission wil l automat ically select the
sporty shift programs
when you drive at higher speeds, or with heavy acce leration and
frequen t ly changing speeds . Upshifts are de layed to make full use
of engine power. Down shifting takes place at higher engine speeds
t han in the economy programs .
The selection of the most suitab le shift program is a continuous,
automatic process . The driver can also make the transmission
switch to a sporty program by
quickly pressing down the gas peda l.
This causes the transmission to shift down to a lower gear to
achieve rapid acceleration, e.g . for quickly passing anot her veh icle.
You do not need to press the gas pedal into the kick-down range .
After the transmission has upshifted, t he original program is
selected according to your driving style.
An additional shift program allows the automatic transmission to
select the proper gear for uph ill and downh ill gradients.
This prevents the transmission from upshifting and downshifting
unnecessa rily on hi lls. The t ransmiss ion will shift down to a lower
~

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