Audi A8 2008 Owner's Manual page 149

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A _d_ a ....:
p _t _ i _ v_ e _ C _ru _is _e _ C _o_ n _t_ r_ o _l _ __._
Ap p lie s to vehic les: with Ada pt ive Cru ise Co nt rol
Messages
The text messages and symbols shown in this area of the
display are not displayed perm anently .
T ime interval s
Fig. 161 Informa ti on
line
The different symbols for the time intervals appear if you change the
settings. In addition, there is a display if the gong (audible warning
signa l) is turned off.
The text message ... (three white dots) appears if a setting cannot be
implemented
with the operat ing lever. The fol lowing are possible
reasons
If you pu ll the control lever forward to resume speed but no
requested speed was set.
If you push the lever up to increase (or down to reduce) speed
when no speed has been set previously.
If you push the lever up (down) to increase (reduce) speed and
this speed is outside the range from 20 to 95 mph !Canada models:
30 to 150 km/h) .
Controls and equip-
ment
A CC not a va ilab le
The text message ACC not available appears, for example, if the
temperature of the brakes is excessive . Adaptive Cruise Control is
t emporarily not availab le. A warning tone sounds as a rem inder.
A C C not ava ilable !
The text message ACC not available ! appears in the event of a
malfunction.
Adaptive Cruise Control is turned off . A warning tone
sounds as a reminder. Have the system inspected by a qua lified
dea lersh ip.
ACC senso r blocked
The text message ACC sensor blocked appears when the ACC
System does not detect any objects over an extended t ime period .
For the time being, the distance to vehicles up ahead is not being
cont rolled . The ACC system is not switched off, so increased alert -
ness is required. The following may be reasons for the text message
ACC sensor blocked:
The ACC sensor is dirty. The ACC system is not react i ng, or is not
reacting correctly, to vehic les traveling ahead .
It is possible that you are driving on a road with very light traffic
without
anyt hing at t he side of t he road (e.g. guard rai ls, traffic
signs, trees). As soon as a vehicle is detected by the system again,
it returns to its control range and the text message d isappears .
The ACC sensor is located in t he area under the front license plate .
If there is a loss of operation due to heavy contamination,
this area
should cleaned to restore proper operation.
AC C senso r bl ock ed !
The text message ACC sensor blocked! appears when t he ACC
System can no longer guarantee safe detection of objects . Adaptive
cruise control is turned off . A chime sounds as a reminder.
To decide whether it is necessary to switch off t he ACC (ACC sensor
blocked!) or if it is only a temporary condition (ACC sensor blocked),
the system wi ll also takes into cons ideration the outside tempera -
ture and/or the windshield wiper operation .
.,_
Vehicle care
I
I
irechnical data

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