Fuel and Refueling
nozzle. A worn or damaged nozzle or a noz -
zle that is too small may not be ab le to open
the diesel m isfueling protector. If th is is the
case, try turning the nozzle before inserting
it in the fuel f iller neck, use a different fuel
pump or see your authorized Audi dealer or
authorized repair facility for ass istance.
- The fuel filler flap of your vehicle is not
locked when you lock the veh icle from the
inside .
Fuel filler flap emergency release
You can open the fuel filler flap by hand if the
power locking system should fail.
Fig. 190 Vehicles with se lect ive cata lytic reductio n : Right
side tr im pane l
Fig. 191 Right side trim panel in the luggage compart ·
ment: emergency release mechan ism
...,
"'
9
::i:
...
(D
The emergency release mechanism is located be-
hind the right side trim panel in the luggage
compartment. In vehicles with selective catalytic
reduction*, remove the vent grille first :
.. Press both tabs @ ¢
fig . 190 and tilt the vent
gri lle downward. You can then remove the
grille upward.
.. Loosen the loop ¢
fig . 191 from the retainer
and then pull on the loop carefully ¢ (D.
216
.. Press on the left side of the fuel filler door to
open ¢ page 214, fig. 188.
(D Note
Only pu ll on the loop until you feel resistance .
You will not hea r it re lease . Otherwise you
could damage the emergency release mecha-
nism.
Selective catalytic
reduction (Ad Blue)
General information
Applies to: vehicles with selective catalytic reduction (SCR)
In vehicles with selective catalytic reduction, a
urea solution (AdBlue) is injected into the ex-
haust system before a nitrogen oxide catalytic
converter to reduce nitrogen emissions .
The Ad Blue is carried in a separate tank in the ve-
hicle. The AdBlue usage accounts for approxi-
mately 0.5% to 1.2% of the diesel fuel that is
used.
When a message about Ad Blue appears in the in-
strument cluster display, you must refill the
Ad Blue yourself or have it refilled by an author-
ized Audi dealer or author ized Audi Service Facili-
ty
¢ page 217 .
@ Tips
- The instrument cluster display indicates the
distance remaining that can be driven
¢ page 216 . If the AdBlue tank is com-
pletely empty , the eng ine will not start
again after the ign ition is switched off.
- Ad Blue is required by law to operate th is ve-
hicle.
Messages in the instrument cluster display
Applies to: vehicles with selective catalytic reduction (SCR)
The display indicates if the Ad Blue level is Low or
if there is a system malfunction .
AdBlue level low
You will be informed if the AdBlue in the tank
drops below a certain level.
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