2018 AUDI Q3 fuel

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Driving
General information
Breaking in
A new vehicle must be broken in for the first
1,000 mi les (1,500 km). For the first 600 miles
(1,000 km), do not drive at speeds that are more
than 2/3 of the maximum permitted RPM, avoid
full acce leration, and do not tow a trailer . You
may gradually start increasing the RPM and the
speed between 600 miles (1,000 km) and 1,000
miles (1,500 km) .
During the first hours of use, the engine has a
higher internal friction than later on when all
moving parts have settled into p lace with each
other.
How the vehicle is driven during the first 1,000
miles (1,500 km) also affects the engine quality.
Drive at moderate engine speeds after the initia l
break-in period, particularly when running a cold
engine . This will reduce eng ine wear and improve
the m ileage .
Do not drive at too
low of an engine speed (RPM).
Shift down if the engine stops running "smooth­ ly". Extremely high eng ine speeds are automati­
cally reduced.
Reducing the risk of vehicle damage
([) Note
When driving on poor roads, by curbs and on
steep ramps , make su re that low-hang ing
components such as the spoiler and exhaust
system do not come into contact with these
or they could be damaged. This especially ap­
plies to vehicles with low ground clearance
and vehicles that are heavily loaded.
Driving through water on roads
Note the following to reduce the risk of vehicle
damage when driv ing through water, for example
on flooded roads :
- The water must not be any higher than the bot­
tom of the vehicle body.
D riving
- Do not drive faster than walking speed.
A WARNING
After driv ing through water or mud, the effec­
tiveness of the brakes may be reduced due to moisture on the brake rotors and brake pads.
A few careful brake applications should dry
off the brakes and restore the full braking ef­
fect .
(D Note
Vehicle components such as the engine,
transmission, suspension or electrical system
can be severely damaged by driving through
water.
(D Tips
-Determine the depth before driving through
water.
- Do not stop the vehicle, drive in reverse or
switch the engine off when driving through
water.
- Keep in mind that oncom ing vehicles may
create waves that raise the water level and
make it too deep for your vehicle to drive
through safely.
- Avoid dr iving through salt water, because
this can cause corrosion .
Economical and environmentally-friendly
driving
T he amount o f fuel consumption, the environ­
mental impact and the wear to the engine,
brakes and tires depends mostly on your driving
style. With an anticipatory and economic driving
style, fuel consumption can be reduced by ap­ proximately 10-15% . The following tips will help
you conserve the environment and your money at
the same time .
Anticipatory driving
A vehicle uses the most fuel when accelerating.
When you drive with anticipation, you do not
need to brake as often and so you accelerate less.
When possible, let your vehicle coast with a
gear
engaged,
for examp le when you notice that the
next t raffic light is red. This produces an engine
llll-
57

Driving
braking effec t, which he lps to protect the brakes
and tires and reduces the emissions and fuel con­
sumpt ion to zero (fuel shut-off during dece lera­
tion) .
Shift effici en tly
Upshift ing earlier is an effective way to save fuel.
Staying in a gear too long uses fue l unnecessari ­
ly.
P ress down o n the acce le ra tor peda l slowly and
avoid " kick -down ".
Avoid full acceleration
You should rare ly trave l at the maximum vehicle
speed. High speeds cause a d isproportionately
h igh inc rease in fuel consump tion, emissions and
tr affic no ise. Slower driving saves fuel.
Reduce idling time
There are benefits to stopp ing the engine, for ex ­
ample when at railroad crossings or traffic lights
with longer red lights. Stopping the engi ne for
30 -40 seconds already saves mo re fuel than the
amount of extra fuel needed to restart the en­
gine.
It takes a very long time in idle to wa rm the en­
g ine up to ope ra ting tempe ra tu re. Wea r and
emissions are especially high in the wa rm -up
phase . Therefore, yo u should begi n driving im ­
mediately after starting the engine. Avoid high
RP Ms while doing t his .
Have maintenance performed r egularly
By having m ainten ance perfo rmed regu larly on
your ve hicle, yo u can he lp to reduce f uel con­
sumpt ion befo re yo u even start to dr ive. The
maintenance condition of your vehicle not only
affects traffic safety and long-te rm value but a l­
so impacts
fuel consumpt ion . A poorly main­
tained engine can lead to fuel consumption that
is 10% higher than normal.
Also check th e
oil level when refueling . T he oil
consumption
depends large ly on the engine load
and speed. It is normal for the oil consumpt ion
of a new eng ine to reach its lowest point only af ­
ter a certain amount of use. Therefo re, the oil
consumpt ion can o nly be properly judged after
58
approximately 3,0 00 miles (S,000 km) have been
driven .
Avoid short trips
The eng ine and exhaust clean ing system mus t
r each their optima l
operating temperature to ef­
fe ct ively reduce consump tion and emissions.
A cold engine uses a d isp roportionately high
amount of fue l. The engine reac hes operat ing
temperat ure and cons umption no rmal izes on ly
a fter approximate ly 2.5 m iles (4 km) .
Check the tire pressure
To save fuel, make sure the t ires are always in­
flated to the correct pressure ~
page 175. The
fuel consumpt ion can increase by 5% if the p res ­
s ur e is on ly 0.5 bar too low. Due to the i ncreased
rol ling resis tance, low tire p ressures w ill also
l ead to greater tire
wear and will affect driving
behavior .
Do no t drive on
winter tir es ye ar-r ound, as this
will consume up to 10% more f uel.
Eliminate unnecessary weight
S ince every po und of ext ra weight increases fuel
consump tion , a quick inspect io n of the luggage
compartmen t may be wo rth it to avoid unneces ­
s ar y we ight.
When not be ing used, a roof rack shou ld be re­
moved to decrease the w ind resistance of the ve­
hi cle. This will save yo u ap prox imately 1 2% fue l
at speeds from 62 -75 mph (100 -12 0 km/h).
Save energy
The eng ine drives the generator, which generates
e lectric ity; the fuel consumpt io n also increases
with t he demand for e lectricity . T he refore, sw itch
electrica l eq uipm ent off whe n you no longe r
need i t. Exa mples of eq uipme nt tha t uses a lo t of
energy a re air blowe rs at a high setting, the rea r
window defogger and seat heating* .
([) Note
-Do not leave engine idling un attended afte r
sta rting. If warn ing li ghts should come on
to ind icate improper ope ration, they wou ld
go unheeded . Extended idling also pro duces .,.

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When a moderate driving s tyle is used, the
transmission selects the most economical driving
mode. The transm iss ion upsh ifts at a lower RPM
and downshifts at a higher RPM to improve fuel
efficiency .
The transmission switches to a sporty mode after a kick-down or when the driver uses a
spo rt y
dri ving st yle
character iz ed by quick accelerator
pedal movements, heavy acceleration, frequent
changes in speed and traveling at the maximum
speed .
If desired , the driver can also select the gears
manually (tip tronic mode ) ¢ page 70, Manual
shifting (tiptronic mode) .
Power is transferred using a torque converter.
Selector lever positions
Fig. 72 Inst rument cluste r: selector leve r pos it ions
F ig. 7 3 Selec tor lever
The selected selector lever position is shown next
to the selector lever ¢
fig. 73 and in the instru­
ment cluster display
¢ fig . 72. The current gear
will also be d isp layed in the instrument cluster.
.. Switch the ign ition on.
.. In the P/N position, you must release the selec­
tor lever lock ¢
page 67.
Drivi ng
.. Move the selector lever into t he des ired posi­
tion. The engaged se lector lever position is
shown in the shift gate .
Selector lever lock
The selec tor leve r lock p revents yo u from select­
i ng a gear accidentally, causing the vehicle to
roll.
T he selector leve r is lo cked in the P and N posi­
ti ons when the ig nit ion is switched on. You mus t
press the brake peda l to sele ct another position.
You must also press the interlock button if you are moving from the P and N position.
T he selec tor leve r lock o nly functions when the
vehicle is stat ionary or at speeds be low approxi­
mately 1 mph (2 km/h) . At higher speeds, the
lock is automatically deactivated in the N posi­
tion.
T he selec tor leve r is not locked whe n shifting
quick ly through N, for example from R to 0/S.
This makes it possib le to free the vehicle when it
is stuck by "rocking" it. The selector lever lock en­
gages if the lever stays in the N pos ition longer
than approximately 2 seconds when the brake peda l is not pressed .
If the selector lever does not engage, there is a
malfunction . The engine is disabled to prevent
the vehicle from driv ing off un intent ionally. Press
the brake pedal to have the se lector lever lock
engage again . Place the selector lever in the P or
N position and then engage a dr iv ing gear.
Ignition key safety interlock*
Applies to: vehicles with ignition lock
You can only remove the key from the ignition af­
ter switching the ignition off if the selector lever
is in the P position . The selector leve r will be
locked in the P position as long as the key is not
in the ignit ion.
Interlock button
The interlock button in the selector lever handle
prevents you from movi ng the selector lever in­
advertently wh ile in some selector lever posi ­
tio ns. The positions that requ ire the interlock
button to be pressed a re marked in color in the il-
l u strat io n ¢
fig. 73. .,.
67

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Trailer towing
Driving with a trailer
General information
Your vehicle is primarily intended for transport­ ing people and luggage . However, if you drive
with a trailer , follow the technical requirements,
the operation and driving tips, and the legal reg­
ulations.
Driving with a trailer affects the vehicle's fuel
consumption, performance and wear.
It also re­
quires higher concentration from the driver.
A WARNING
Do not transport any people in a trailer due to
the risk of fatal injury.
Technical requirements
Certain requirements must be met when towing
a trailer.
Trailer hitch
Only use a trailer hitch with a removable ball hitch mount and ball hitch. The trailer hitch must
be permitted for the vehicle , the trailer and the
permitted total weight of the trailer being
pulled. Above all, it must be securely and safely
attached to the vehicle trailer.
Never mount a trailer hitch on the bumper. The
trailer hitch must be mounted in a way that does
not impair the function of the bumper. Do not
make any changes to the exhaust system and the
brake system.
Check regularly if the trailer hitch is securely mounted. Always follow the instructions given by
the trailer hitch manufacturer.
Trailer brakes
If the trailer has its own brake system, then fol­
low the manufacturer specifications. However,
the brake system on the trailer must never be
connected to the vehicle brake system.
Trailer towing
Engine cooling system
Driving with a trailer means a higher load on the
engine and the cooling system. The cooling sys­
tem must be designed for additional load and
contain enough coolant
c::> (D .
A WARNING
-
-Never mount a "weight-distributing" or
"load-balancing" trailer coupler as the trail­
er hitch . The vehicle was not designed for
these types of trailer hitches . The trailer
hitch can malfunction and the trailer can
break off from the vehicle.
- If the trailer is equipped with electronic
brakes, these brakes cannot be activated by
a factory-installed control system, which in­
creases the risk of an accident.
- To reduce the risk of injury, always remove
the ball hitch mount if no trailer is mount­
ed.
(D Note
Longer inclines cannot be driven without a
suitable cooling system, especially if the out­
side temperatures are high. otherwise, this
increases the risk of engine damage.
' Operating instructions
Several things must be noted when towing a
trailer.
Towing capacity
The permitted towing capacity for trailers with­
out brakes is 1,650 lbs (750 kg).
The permitted towing capacity for trailers with brakes is 2,200 lbs (1,000 kg) .
These values apply to roads with up to 12% in­
cline.
Tongue weight
The maximum permitted tongue weight of the
trailer drawbar on the trailer hitch ball head may
not be exceeded. ..,.
73

Check ing and F illing
Checking and Filling
Fuel
Gasoline grade
A pp lies to: ve hicles w ith gaso li ne engines
The correct gasoline grade is stated on the inside
of the fuel filler door .
The vehicle is equipped with a catalytic converter
and must only be driven w ith
unleaded ga soli ne.
Aud i recommends using TOP TIER Detergent Gas­
oline. Additional information on TOP TIER Deter­
gent Gaso line can be found on the offic ial web­
site (www .toptiergas.com) .
The individua l gasoline grades are differentiated
by
octane ratings . This value is given with (R +M)/
2 equating to AK I or in RON.
The fo llow ing headings match the co rrespon ding
sticker in the fue l fi ller door .
UNLEADED FUEL ONLY MIN . (R+M) /2 87
Regular/ MIN. RON
91 Regular
Use regu lar gaso line with minim um 87 AKI/
9 1 RON ~@ .
The max imum engine power is only reached if
p rem ium gasol ine
91 A KI/ 95 RO N is used.
0 Note
- Fi lli ng the tank just one t ime with leaded
fuel or o ther meta llic additives will cause
p ermanent de ter iorat io n to the catalyt ic
conve rter func tion.
- Whe n gasoline with an octane rati ng that is
too low is used, high speeds o r heavy engi ne
l oad can lead to engine damage .
(D Tips
The vehicle may be fi lled wi th fu el tha t h as a
higher octane ra ting than wh at is required by
t he engine .
152 ·
Blended gasoline
Use of gasoline containing alcohol or MTBE
(methyl tertiary butyl ether)
Yo u may use unleaded gasoline b lended wi th al­
cohol o r MTBE (commonly referred to as oxygen ­
ates) if the blended mixt ure meets the fo llowing
criteria :
Blend of ga soline methanol (wood alcohol or
meth yl alcohol)
- Anti-knock index must be 87 AK I or h igher.
- Blend must contain no more than 3% metha-
nol.
- Blend must contain more tha n 2% co -solvents.
Blend of gasoline and ethanol (grain alcohol or
ethyl alcohol )
-Anti -knock index must be 87 AK I or higher .
- Blend must not co ntai n mo re t han
15% etha-
nol.
Blend of ga soline and MTBE
- Anti-knock index must be 87 AKI or higher.
- Blend must contain not more than 15% MTBE.
Seasonally adjusted gasoline
Many gasoline grades a re blended to pe rform es­
pec ially well for w in ter o r su mme r dr iv ing . D ur ­
i ng seasonal change-ove r, we s ugges t th at yo u
fill up at busy gas stat ions where the seasona l
adjustment is more likely to be made in time.
(D Note
- Meth ano l fuels which do not meet these re­
q uirements may cause corrosion and dam ­
age to plastic and rubber com ponents in the
fuel system.
- Do not use fue ls that fa il to meet the speci­
fied cr iteria in th is chapter .
-If you are una ble to dete rm ine whether or
not a part icu lar f uel blend meets the speci ­
fications, ask yo ur service station or its fue l
supplier.
- Do not use fue l for which the contents can­
not be ident ified .

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-Fuel system damage and performance prob­
l ems resulting from the use of fuels differ­
ent from those specified are not the respon­
sibility of Audi and are not covered under
the New Vehicle or the Emission Control
System Warranties.
- If you experience a loss of fuel economy or
driveability and performance problems due
to the use of one of these fuel blends, we
recommend that you switch to unblended
fuel.
Gasoline additives
A majo r concern among many auto manufactur­
ers is carbon deposit build-up caused by the type
of gasoline you use.
Although gasoline grades d iffer from one manu­
facturer to another, they have certain things in
common. All gasoline grades contain substances
that can cause deposits to collect on vital engine parts, such as fuel injectors and intake valves . Al­
though most gasoline brands include additives to keep engine and fuel systems clean, they are not
equally effective.
Audi recommends using TOP TIER Detergent Gas­
oline . For more information on TOP TIER Deter­
gent Gasoline, please go to the official website
(www.toptiergas.com).
After an extended period of using inadequate
fuels, built-up carbon deposits can rob your en­ gine of peak performance.
(}) Note
-Damage or malfunction due to poor fuel
quality is not covered by the Audi New Vehi ­
cle Limited Warranty.
Checking and Filling
Refueling
Fueling procedure
Fig. 132 Right rear s ide o f th e ve hicle : ope ning the fuel
filler door
Fig. 133 Fuel filler door with attached fue l cap
The fuel filler door is unlocked or locked by the
central locking system.
"' Press on the left side of the fuel filler door to
open
r=.> fig. 132 .
"'Unscrew the tank cap counterclockwise.
"' Place the cap from above on the open fuel filler
door
r=.> fig. 133.
"'Insert the fuel pump nozzle a ll the way into the
fuel filler neck.
"' Start refueling. As soon as the fuel pump noz­
zle turns off the first time, the fuel tank is full.
Do not continue fueling, or else the expansion
space in the tank will be filled with fuel.
"' Pull the pump nozzle out of the tank filler neck
five seconds after it has switched off, so that
the rest of the fuel can flow out of the pump
nozzle into the filler neck.
"' Turn the fuel cap clockwise until you hear it
lock.
"' Then press on the left side of the tank door un-
til it latches.
Ill>
153

Check ing and F illing
The correct fuel type for your vehicle can be
found on a label located on the inside of the fue l
f ill er door . For addit iona l information on fuel,
see
¢ page 152 .
For the tank capacity in yo ur vehicle, refer to the
Technical Data
¢ page 210.
To reduce the r isk of fuel leak ing out or vapo rs
escaping, make sure that the fuel tank is closed
correct ly. Otherwise th@
¢'41
) indicator light may
turn on.
If the central loc king system malf unc tions, the
f u e l filler door may emergency release
¢ page 155.
A WARNING
An improper fue ling procedure and improper
hand ling of fue l can lead to explosions, f ires,
severe bu rns and other injur ies.
- Do not smoke and keep away from open
flames.
- The ignition must be switched off when re­
fueling .
- Cell phones, radio devices and other radio
equipment should always be switched
off
when refueling. Electromagnet ic rays cou ld
cause sparks and start a fire.
- If you do not insert t he fue l pump nozzle a ll
the way into the filler tube, then f ue l can
leak out. Spilled fuel can ignite and start a
fire .
- Never get into the vehicle when refueling. If
there is an exceptional situation where t he
vehicle must be entered, close the door and
touch a metal surface before touching the
fuel pump nozzle agai n. This will reduce the
r isk of e lectros tat ic discharge t hat can ca use
flying spar ks. Sparks can start a fire when
ref ue ling.
A WARNING
We recommend that you do not t ransport any
fuel containers in the vehicle . Fuel could leak
out of t he container and ignite, especially dur-
l) Market -s pecific
154 ing an accident. Th
is can ca use explos ions,
f ires and injuries.
- If you must transport fuel in a fue l contain­
er, p lease note the following:
- Always place a fue l co nta iner on the
ground befo re fil ling . Neve r fill the fuel
contai ne r with fuel whi le i t is in o r o n the
vehicle. Elect rostatic charge can oc cu r
while refueling and the fuel vapo rs could
ignite.
- Fo r fuel con tai ners made o f me tal, the
fuel p ump nozzle must a lways maintai n
contact with the container to reduce the
risk of stat ic charge.
- Insert the fuel pump nozz le as far as pos­
sible into the f iller opening wh ile refuel­
ing .
- Fo llow lega l req uirements when using,
stor ing and transporting fuel conta iners .
- Make su re t hat the fuel container meets
the i nd ustry standards, for example ANSI
or ASTM F852-86.
(D Note
- Remove fue l tha t has overflowed onto any
vehicle components immediately to reduce
the risk of damage to the vehicle.
- Never drive unt il the fuel tan k is com plete ly
empty . The i rreg ular s upply of fue l that re­
sults from that can cause eng ine misfires .
Uncombusted fuel will ente r the exhaust
system and increase the risk of damage to
the catalytic converter .
(® For the sake of the environment
Do not overfill the fuel tank, otherwise fuel
can leak out when the veh icle is warming up.
(D Tips
The fuel filler door o n your veh icle does not
l ock if you lock the veh icle from the inside us­
i ng the centra l locking switch.

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Fuel filler door emergency release
If the central locking system is faulty, the fuel filler door can be unlocked manually.
Fi g. 134 Right si de tr im j:>ane l in the luggage compart­
ment: emergen cy release mechani sm
The emergency opening mechanism is located
behind the right side trim panel in the luggage
compa rtme nt.
• Remove the cover in the side panel.
• Loosen the strap from its bracket -arrow- and
pull on it carefully<=:>
fig. 134 c:>(D . The filler
doo r is released .
• Press on the lef t side of the fuel fille r doo r to
open it
<=:> page 153, fig. 132 .
(D Note
Onl y pull o n the loop until you feel resi stance.
You will not he ar it relea se. O therwise yo u
co uld d amage the eme rge ncy re lea se me ch a­
nism .
Catalytic converter
The vehicle may o nly be dr iven with unleaded
gasoline, otherwise the catalyt ic converter will be
destroyed .
N ever d rive until the tank is comp letely e mpty .
The irregular supply of f uel th at resul ts from that
can cause engine m isfires. Uncombus ted f uel will
enter the exhaust system, wh ic h can cau se ove r­
heat ing and damage to the catalyt ic converter .
A WARNING
-The temperature in the ex ha ust system is
high, both when dr iving and after stopping
the engine.
-
Checking and Filling
- Never touch the exhaust tail pipes o nce they
have become hot . This cou ld resu lt in burns.
- Do not par k your vehicle over flammable
mate ria ls s uch as grass or leaves because
the high temperature of the emissions con­
trol system could start a fire.
- Do not app ly unde rbody protectant in the
exhaust system area, because this increases
the risk of fire.
Engine compartment
' Working in the engine compartment
Special care is required if you are working in the
engine compartmen t
For work in the engine compartment, such as
checking and fill ing fluids, there is a risk of in­
jury, scalding, accident s, and burns . For thi s
reason, follow all the warnings and general
s afety pre caution s provided in the following in ­
formation. The engine compartment is a dan­
gerous a rea on the vehicle .
<=:> .&.
A WARNING
-Turn the engine off .
- Sw itch th e ignition off .
- Se t the p arking brak e.
- M ove the selec tor lever i nto the P position.
- Never open the hood whe n th ere is steam o r
coo lant escaping from the engine comp art­
men t, bec ause there is a risk that yo u could
be burned. Wai t until no s te a m o r coolan t is
escaping .
- Le t t he eng ine cool down.
- Keep children away from th e eng in e com-
p ar tme nt.
- N ever sp ill fluid s on a ho t engine . These flu­
i d s (su ch as the free ze p ro te ct ion contained
in the coolant) c an catch fi re.
- Avoid short circui ts in th e electrical system.
- When working in the engine compartment,
remember that the radiator fan can swi tch
o n even if t he igni tion i s sw itched off, w hich
i n cre a ses the r is k of person al injury.
~
155