254 Fuel supply and filling your fuel tank
Unlocking the fuel filler flap by hand
You can open the fuel filler flap by hand if the
power locking system should fail .
•
Fig. 234 Luggag e compart ment: Prying cover open
Fig. 235 Luggage compart ment: Emergency open ing
of fuel filler flap
.. Remove the right-side trim panel with the
aid of a screwdriver
c:> fig. 234.
.. Pull the loop down in the direction of the ar-
row to unlock the fuel f iller flap c:>fig. 235.
Selective catalytic
reduction
General information
Applies to vehicles: with diese l engine
On vehicles with select ive catalytic reduction,
an urea solution (Ad Blue) is injected into the
exhaust system before a nitrogen oxide cata-
lytic converter to reduce nitrogen emiss ions.
The AdBlue is stored in a separate tank in the
vehicle. The AdBlue usage accounts for ap-
proximately 0.5% to 1.2% of the diesel fuel
that is used.
You must refill the Ad Blue or have it refilled
by your author ized Audi dealer or qualified
workshop as soon as the AdBlue refill mes-
sage appears in the ins trum ent cluster
r=>page 255 .
.&_ WARNING
-
Failure to heed AdBlue refill information in
the instrument cluster can prevent the ve-
hicle from being started and driven. If the
vehicle cannot be driven and an emergency
arises, personal injury can occur.
- Always have the AdBlue tank refilled well
before the tank runs dry.
(D Tips
- The instrument cluster disp lay ind icates
the distance remaining that can be driv-
en r=>page 254. If the AdBlue tank is
completely empty, the engine will not
start again after the ignit ion is switched
off.
- AdBlue is required by law to operate this
vehicle.
Indicator in the instrument cluster
display
Applies to vehicles: with diesel engine
The display indicates if the Ad Blue level is low
or if it was filled incorrec tly .
Fig. 236 Instrument cluster: indicator in the display
AdBlue level low
You will be informed if the Ad Blue in th e tank
drops below a certain level.
AdBlue l;) 1500 mi (2400 km)
Refill
AdBlue. See owner's manual
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