Ch e ck ing and Filling
is empty or until no mo re fluid flows into the
tank.
~
Remove the canister and close the filler tube
c> page 198, Completing AdBlue refill .
(D Note
Only use refi ll canisters that are approved for
your vehicle. Using other systems can cause
Ad Blue to leak.
@ Tips
- An authorized Audi dealer or authorized
Audi repair facility can te ll you which ref ill
can isters are approved for your vehicle.
- A permitted refill canister contains approxi-
mately 1.3 ga llons (5 liters) of AdBlue.
Completing AdBlue refill
Applies to: vehicles with selective catalytic reduction
Closing the filler neck
~
Turn the cap on the filler neck to the right with
the wheel wrench unt il the cap clicks into place.
This t ightens the cap to the specification o &
in Filling AdBlue on page 197, c>(D in Filling
AdBlue on page 197 .
~
The n press on the left side of the tank doo r un-
ti l it latches.
After filling
The vehicle must be driven so that the system
recognizes that the Ad Blue was refilled . This can
take severa l m inutes.
~
If there was no Ad Blue left in the tank and a
range of O mi (0 km) was shown in the d isplay,
switch the ign it ion on for about 30 seconds be-
fo re sta rting the engine.
(D Tips
Ad Blue can freeze at very low temperat ures .
If this happens, the system will not detect
that the Ad Blue was refilled a nd it will contin-
ue to inform you of the low Ad Blue level. The
message turns off as soon as the tank thaws
out again.
198
Catalytic converter
Applies to: vehicles with gasoline engine
It is very important that your emission control
system (catalytic converter) is func tioning prop-
erly to ensure that your vehicle is running in an
environmentally sound manner .
~
Always use lead-free gasoline c> page 191, Fuel
supply .
~
Never run the tank down all the way to empty.
~
Never put too much motor o il in your engine
c> page 204, Adding engine oil.
~
Never try to push- or tow-start your vehicle .
The catalytic converter is an efficient "clean -up"
device built into the exhaust system of the veh i-
cle. The catalyt ic converter burns many of the
po llutants in t he exhaust gas befo re they are re-
leased into t he atmosphere.
The exclusive use of un leaded fuel is critically im-
po rtant fo r the life of the catalytic converte r and
prope r funct io ning of the engine.
_&. WARNING
The temperat ure of the exhaus t sys t em is
high, both when driv ing and after stopping
the engine.
-
- Never tou ch the exhaust tail pipes once t hey
have become hot. This cou ld resu lt in burns.
- Do not park or operate t he vehicle in ar eas
where t he hot exhaust system may come in
contact with dry grass, brush, fuel spi ll or
other mate rial which can ca use a fire.
- Do not apply additiona l undercoating or
rustp roofing on or near the exhaust mani-
fold, exha ust pipes, cata lytic conve rter or
heat shields . During driving, the substance
used for unde rcoat ing could overheat and
cause a fire .
Cl) Note
- Be aware that just one tank f illing wit h
leaded f ue l will already seriously degrade
the performance of the catalytic converter.
- Do not exceed the correct engine oil leve l
c>page204.
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