2016 AUDI Q3 radiator cap

Checking and Filling
-Keep children away from the engine com­
partment.
- Never spill fluids on hot engine compo­
nents. They can cause a fire.
- Never touch the radiator fan. The auxiliary
electric fan is temperature controlled and
can switch on suddenly.
- Never open the coolant reservoir cap when
the engine is still warm. The coolant system
is pressurized and hot coolant could spray
out.
- Protect your face, hands and arm from steam or hot engine coolant by placing a
thick rag over the cap when you open the
coolant reservoir .
- Do not remove the engine cover under any
circumstances. This increases the risk of
burns .
- If work on the fuel system or the electrical
system is necessary:
-Always disconnect the battery.
- Never smoke or work near heaters or open
flames. Fluids in the engine compartment
could start a fire.
- Keep an approved fire extinguisher imme­
diately available.
- To avoid electrical shock and personal injury
while the engine is running or being started,
never touch:
- Ignition cables
- Other components of the high voltage
electronic ignition system.
- If you must perform a check or repair with
the engine running:
- First, fully apply the parking brake, move
selector lever of automatic transmission
to "P" (Park).
- Always use extreme caution to prevent
clothing, jewelry, or long hair from get-
178
ting caught in the radiator fan, V-belts or
other moving parts, or from contacting
hot parts. Tie back hair before starting,
and do not wear clothing that will hang or
droop into the engine.
- Minimize exposure to emission and chemi­
cal hazards
c::> & .
A WARNING
California Proposition 65 Warning:
- Engine exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali­
fornia to cause cancer and birth defects and
reproductive harm. In addition, certain flu­
ids contained in vehicles and certain prod­
ucts of component wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm .
- Battery posts, terminals and related acces­
sories contain lead and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive harms.
Wash hands after handling.
([) Note
When adding fluids, always make sure that
they are poured into the proper container or
filler opening, otherwise serious damage to
vehicle systems will occur.
@ For the sake of the environment
To detect leaks in time, inspect the vehicle
floor pan from underneath regularly. If you
see spots from oil or other vehicle fluids, have
your vehicle inspected by an authorized Audi dealer .

A WARNING ,~
- The cooling system is under pressure and
can get very hot. Reduce the risk of scald ing
from hot coolant by following these steps.
- Turn
off the engine and allow it to coo l
down.
- Protect you r face, hands and arms from
escaping fluid and steam by cover ing the
cap with a large, thick rag.
- Turn the cap slowly and very carefully in a
counter-clockwise d irection while applying
light, downward p ressure on the top of
the cap.
- To avoid being burned, do not spill anti­
freeze or coolant on the exhaust system or
hot engine parts. Under certa in cond i­
tions, the ethylene glycol in eng ine cool­
ant can catch fire.
- Antifreeze is poisonous. Always store anti­
freeze in its orig inal container and well out
of the reach of children.
- If you dra in the coolant, it must be caught
and safely stored in a proper conta iner
clearly marked "poison".
- Do not add coolant if the expansion tank is
empty. Air cou ld enter the cooling system
and damage the eng ine. If this is the case,
do not continue driving . Seek professional
ass istance.
- Coolant pollutes the env ironment and could
cause an eng ine fire. Excess coolant will be
fo rced o ut through the pressure relief valve
i n the cap when the e ng ine be comes hot.
- If, in an emergency, only wate r can be add­
ed, the co rrect r atio betwee n wate r and an­
tifree ze
Q page 183 must be res to red as
soon as possib le.
{® For the sake of the environment
Dra ined coolant sho uld not be reused. Always
disp ose of used coolant while obse rving all
....
"' environment al regulat ions. ci ::, co .... N -
Ch eck ing and Filling
Rad iator fan
The radiator fan switches on automatically by it­
self .
The radiator fan is driven by the engine via the V­
belt. The viscous clutch regulates th e speed of
the fan accord ing to the temperature of the cool­
ant .
An auxiliary e lectr ic radiator fan* switches on and
off depending on coo lant temperature and other
vehicle operating conditions.
After you switch the engine
off, the auxiliary fan
can continue running for up to 10 m inutes -even
with the ignition
off. It can even switch on aga in
later by itself
Q .& , if
- the temperature of the engine coolant rises due
to the heat build-up from the engine in the en­
gine compartment, or
- the engine compartment heats up beca use the
veh icle is parked in intense sunlight.
A WARNING
- To reduce the r isk of persona l injury neve r
touch the radia to r fan .
- The auxiliary e lectr ic fan is temperature
controlled and can switch on s uddenly even
when the engine is not ru nning .
- The a uxiliary radiator fan sw itches on auto­
mat ically when the eng ine coolant reaches a
certa in temperature a nd will continue to run
until the coolant temperature d rops.
185

Check ing and F illing
CJ) Note
Never use a fast charger as a booster to start
the engine . This will serious ly damage sensi­
tive electronic components, such as control
units, relays, radio, etc., as well as the battery
charger.
Battery replacement
The new battery must have the same specifica­
tions and dimensions as the original equipment
battery .
Intelligent energy management in your vehicle is
responsible for distributing the electrical energy
throughout your vehicle
¢ page 157. The intelli ­
gent energy management system wi ll keep the
engine battery charged better then veh icles w ith­
out this system. To make sure the addit ional
e lectrica l energy is available once again after you
have changed the battery, we recommend that
you install batteries of the same type and manu­
facture only (the same as those installed at the
time your veh icle was delivered). Specifications
are listed on the battery housing. Your author­
ized Audi dealer must code the battery in the en­
ergy management system to enable you to use
the energy manageme nt functions correctly after
replacing the battery.
If it is not possible to use a battery of this type,
the new battery must have the same capacity,
voltage (12-volts), amperage, construction and p lug sealing.
When installing the battery, make sure the igni­
tion and all electrical consumers are turned off.
@ Note
Make sure the ventilation hose on the side of
the battery is connected, otherw ise fumes or
battery acid can leak out.
@ For the sake of the environment
Because of the problem of proper disposal of
a battery, we recommend your authorized
Audi dea ler change the battery for you. Bat­
teries contain sulfuric ac id and lead and must
always be disposed of properly in compliance
190
with all environmenta l regulations. Disposing
of vehicle batteries improperly is very danger­
ous to the environment.
Windshield washer system
Fig. 155 Eng ine compartment: washe r fluid reservoir cap
M N
-N ,.:
"' m
The washer fluid reservoir O contains the wind­
shield washer flui d¢
page 179, fig. 149. The res­
ervoir capacity is found in
¢ page 230.
To reduce the risk of lime scale depos its on the
spray nozzles, use clean water with low amounts
of calcium . Always add window cleaner to the wa­
ter. When the outside temperatures are cold, an
anti-freez ing agent shou ld be added to t he water
so that it does not freeze .
(D Note
-The concentration of anti-freezing agent
must be adjusted to the vehicle operating
conditions in the respective climate. A con­
centration that is too high can lead to vehi­
cle damage.
- Never add radiator anti-freeze or other addi­
t ives to the washer fluid.
- Do not use a glass cleaner that contains
paint solvents, because th is could damage
the paint.

Index
Engine compartment . . . . . . . . . . . . . . . . . . 179
Opening the hood . . . . . . . . . . . . . . . . . . . 177
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Safety instructions . . . . . . . . . . . . . . . . . . . 177
Working the engine compartment . . . . . . 177
Engine coolant system ................ .
Adding coolant .................. ... .
Checking coolant level ............ ... .
Checking the engine coolant level .. .. .. .
Radiator fan .. .. ................... .
Engine hood 183
184
183
183 18S
Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Addit ives. . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Checking the oil level . . . . . . . . . . . . . . . . . 181
Dipstick. . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 17
Oil consumption . . . . . . . . . . . . . . . . . . . . . 180
Oil grades . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Pressure malfunction . . . . . . . . . . . . . . . . . 15
Sensor defective . . . . . . . . . . . . . . . . . . . . . . 17
Specif ication and viscos ity . . . . . . . . . . . . . 179
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Engine speed limitation . . . . . . . . . . . . . . . . . 17
Environment Catalytic converter . . . . . . . . . . . . . . . . . . . 159
Disposing of your vehicle battery . . . . . . . 190
Driving at high speeds . . . . . . . . . . . . . . . . 161
Fuel . .. .. .. .. .. ... .. ..... ..... .. .. . 175
Leaks under your vehicle . . . . . . . . . . . . . . 177
Letting the vehicle stand and warm up . . . 161
Proper disposal of drained brake flu id . . . 186
Proper disposal of drained engine coolant 184
Proper disposal of drained engine o il 181, 182
Recycling used engine oil . . . . . . . . . . . . . 181
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 7
Unleaded fuel . . . . . . . . . . . . . . . . . . . . . . . 173
What should I do with an old battery? 190
EPC
refer to Electronic power control . . . . . . . . 17
ESC Automatic post-collision braking system . 152
ESC offroad mode . . . . . . . . . . . . . . . . . . . . . 152
Event Data Recorder (EDR) . . . . . . . . . . . . . 150
Expansion tank . . . . . . . . . . . . . . . . . . . . . . . 183
240
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 39
Exterior mirrors Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
F
Fan
Radiator 185
Fastening Booster seats . . . . . . . . . . . . . . . . . . . . . . . 140
Convertible child safety seats . . . . . . . . . . 138
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 137
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Fold ing chocks . . . . . . . . . . . . . . . . . . . . . . . 212
Folding the rear seats . . . . . . . . . . . . . . . . . . . 59
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
For the sake of the env ironment
Environmentally-friendly driving . . . . . . . 160
Gasoline fumes and the env ironment . . . . 175
Rear window defogger . . . . . . . . . . . . . . . . . 64
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . . . 116
How they work . . . . . . . . . . . . . . . . . . . . . . 120
Frontal collisions and the laws of physics . . 105
Front seats Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Child restraints in the front seat . . . . . . . . 113
also refer to Seats . . . . . . . . . . . . . . . . . . . . 49
Fuel Additives. . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Blended gasoline . . . . . . . . . . . . . . . . . . . . 173
Current consumption . . . . . . . . . . . . . . . . . . 22
Filler neck..... .. .. ............... .. 174
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . 10, 11
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Gasoline add it ives . . . . . . . . . . . . . . . . . . . 174
Low fuel level symbol . . . . . . . . . . . . . . . . . 17
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 173
Recommendation . . . . . . . . . . . . . . . . . . . . 173
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Saving fuel . . . . . . . . . . . . . . . . . . . . . . . . . 160
Tank capacity . . . . . . . . . . . . . . . . . . . . . . . 230
Tank system . . . . . . . . . . . . . . . . . . . . . . . . . 17
Fuel economy messages (efficiency program)
24