On Board Diagnostic System (Obd) - Audi A8 2016 Owner's Manual

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In strumen
ts and ind ica tor ligh ts
Display content
In the MMI, you can specify which informat ion
should be displayed such as navigat ion info rma-
tion* or Night vision assistant*.
The speed display and some of the red indicator
lights cannot be hidden in the MMI.
Display brightness
You can adjust the disp lay brightness in the MMI.
The display brightness decreases automatically
as the amount of light decreases. The bas ic level
of br igh t ness is adjusted w ith the inst rument
il-
lum ina t ion
¢ page
51.
(D
Note
To prevent scratches on the g lass cove ring the
Head-up Display, do not place any objects in
the projection opening.
(j)
Tips
- Sunglasses w ith polar izat ion fi lters and un-
favorab le lighting conditions can affect the
display.
- An optimum display depends on the seat
position and t he height of the Head- up Dis-
play .
- A specia l windshield is needed for t he Head-
up Display fu nction .
- For informat ion on cleaning, refer to ¢
ta -
ble on page
208.
Open door/ hood/r ear lid warning
Fig. 16 Display: doors and rear lid open
With the ignition switched on , the warning illu-
m inates when at least
one
door or the hood or
28
the rear lid is not closed. The symbo l also shows
you
which
door(s) or lid is not closed.
In the illustration
¢ fig . 16
it is the d river 's doo r
and the left rear door.
On Board
Diagnostic
System
(OBD)
Malfunction Indicator Lamp (MIL )
The Malfunction Indicator Lamp (MIU
¢.ij
in the
instrument
cluster is part of the On-Board Diag-
nostic (OBD II) system .
The wa rni ng/indicator light illuminates when the
ignition is sw itched on and goes out after the en -
gine starts a nd the idle has stab ilized . This indi-
cates that the MIL is working proper ly.
If th e light do es not go out after the eng ine is
started, or illum inates while you are driving, a
malfunct ion may exist in the engine system. If
the light illuminates, the catalytic converte r
could be damag ed .
Cont inue drivi ng
with reduced power
(avoidi ng
sustai ned high speeds and/o r rapid accelera-
tions) and have the condit ion corrected . Contact
your a uthorized Audi dea ler.
If t he ligh t illum inates, the electronic speed lim-
iter may also be ma lfunctioning. For more infor-
ma t ion ¢
page
29 ,
Electronic speed Limiter.
An improperly closed fue l filler cap may also
cause the MIL light to illuminate ¢
page
214.
On-Board Diagnostics
Fig. 17 Locat ion of Data Link Connecto r (DLC)

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