coolant temperature AUDI Q7 2015 Owner´s Manual

10 Instruments and warning/indicator lights
Instruments and warning/indicator Lights
Instruments
Instrument cluster and controls
The instrument cluster is your central source of information.
Fig. 3 Ove rv iew of t he inst ru m ent cluster
CD Coolant temperature gauge . . . 10
@ Ta ch ome ter w ith time an d date
d isplay . . . . . . . . . . . . . . . . . . . . 11, 11
® Warning/indicator lights . . . . . . 14
© Driver info rmation system .. .. . 21
® Speedometer with odometer . . 12
® Fuel gauge . . . . . . . . . . . . . . . . . 12
(i) Ins trumen t clus ter ill umination 13
@ Reset button for t rip odometer . 12
® Parking system . . . . . . . . . . . . . 146
@ ICHECK I button . . . . . . . . . . . . . . 12
@ Tips
The ill umi nat ion fo r th e i nstru me nt cl uster
lights up whe never yo u switch on the i gni ­
tion with t he
vehicle headlights off . As
the daylight fades, the instrument cluster illumi nat ion likewise dims automatically
a n d w ill go out completely when t he out­
side light is very low. This feat ure is meant
to remind you to switch on the headlights
w hen o utside lig ht con dit io ns become
poor.
Engine coolant temperature gauge
The eng ine coolant gauge q page 10, fig. 3 CD
only works when the ignition is on. To p revent
damage to you r engine, please note the fol­
lowing impor tant po ints:
Engine cold
As long as the needle remains at or close to
the bottom of the gauge, the engi ne still has
not reached its operat ing temperature . Avoid
high eng ine speeds, heavy eng ine loads and
heavy th rottle a pplicat io ns.
Normal temperature
When the engine has reached its operat ing
temperature, the needle w ill move into the
midd le of the gauge and rema in the re. If th e
engine is worki ng ha rd at high outside tem­
peratures, the needle may rise up. This is no
need to worry as long as the. warni ng lig ht
i n the i nstr ument cluster does not ill uminate.
Warning light in the instrument cluster
When the. warning lig ht in the instr ument
cluster s tarts to flash, th is can mean one of
two things : either the coo lant
temperatur e is .,..

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Instrument s and warning /indicator lights 11
too high, or the coolant level is too low
¢ page 32.
If the needle is well in the upper area of the
ga uge , the coolant temperature is too high.
Stop the vehicle , switch the eng ine off and
allow the engine to cool.
If the warning light
comes on again after driving a short distance,
contact an authorized dealer.
A WARNING
- Always observe the warning in
¢
page 256, before opening the hood
and checking the engine coolant level.
- Never open the engine hood if you see or
hear steam, or if you see engine coolant
dr ipping from the engine compartment.
You could bu rn yourself. Let the engine
cool off first until you can no longer see
or hear steam or coolant escaping.
0 Note
- Mount ing additional lights or accessories
i n front of the a ir inlets reduces the cool­
i ng effect of the radiator. At h igh outside
temperatures or high eng ine load , the
engine could overheat.
- The front spo iler has been designed to
properly distribute the cooling air when
the veh icle is moving. If the spoiler is
damaged, this cou ld reduce the cooling
effect and the engine could then over­ heat. Ask your authorized Audi dealer for
ass istance.
Tachometer (engine rev counter)
The tachometer indicates the engine RPM
(revolutions per minutes).
The tachometer @¢ page 10, fig. 3 is the left
of the two large clock-type displays.
The engine turns at a speed 1,000
times the
single digit in the display, e.g . if the needle is
pointing at the "2" the engine is turning at
2,000 RPM.
If engine RPM drops be low 1,500, you should
downshift to the next lower gear. The red area at
the end of the scale indicates maximum
permissible engine RPM after the break-in pe­
riod. Before reaching this area , move these­
lector lever to position D (Drive) or ease your
foot off the accelerator pedal.
(D Note
The tachometer needle should not move
into the red range. If it does, then only for
a very short per iod of t i me. You could
damage your engine by driving at high RPM .
@) For the sake of the environment
Upshifting early saves fuel and reduces en­
gine noise .
Digital clock with date display
Fig. 4 In st ru m en t cluster : time a nd da te
The date, time of day, and time and date for ­
mat can be set in the MMI. You can learn more
about this in the MMI manual.
(D Tips
-When open the driver door, the time,
date and odometer are disp layed for an
add itional 30 seconds.
- You can also call up the display with the
!CHECK I button q page 12 while the ig­
nition is sw itched off.

32 Driver in formation d isplay
turn off the eng ine. The coolant pump is
not working anymore -danger of damage
to the eng ine !
BRAKE/(©) Brake system malfunction
A malfunction in the brake system must be
repaired as soon as possible.
I f the warning/indicator light 1111 (USA
models) ;II (Canada mode ls) in the instru ­
ment cluster flashes, there is a brake system
mal function . By pressing the
I CHECK ! button,
you can bring up a dr iver message which ex­
p la ins the ma lfu nction in more detail.
Stop veh icle and check brake fluid level
• Pull off the road.
• Stop the vehicle .
• Turnoff the engine.
• Check the brake fluid level¢
page 265.
• Co ntact your nearest a uthorized Audi dealer
or qualified workshop if necessary .
Warning! Fault in brake system. Contact
workshop
• Drive carefu lly to the nearest a uthorized
Audi dealer or qualified workshop and have
the malfunction corrected ¢
&.
If t he ABS system malfunctions, the ABS
warn ing/ indicato r light illum inates together
wi th the brake system malfunction warning/
i ndicato r light ¢& .
A WARNING
-Always obse rve the wa rni ngs in
¢
page 2 56, be fo re opening the hoo d
a nd chec king t he b rake fluid.
- D riving with low b ra ke fluid is a safety
ha zar d. S top the car and get pro fession al
assistance .
-If the 1111 (U SA m odels)/ . (C anad a
mode ls) brake sy stem indica tor ligh t
t ur ns on together with the AB S and E SC
indicator lights, the ABS/ES C reg ulating
f unction may have failed . Fu nctions that
stabilize the ve hicle are no longer availa­
ble. Th is could cause the vehicle to swerve and
inc rease the r is k of slidi ng.
Drive ca re fully to the nea rest authorized
Aud i dealer or other q ualified works hop
a nd have the ma lfu nction co rrected .
-L Engine cooling system malfunction
A malfunction in the engine cooling system
must be repaired as soon as possible.
When the. symbo l in the disp lay blinks,
then either the engine coo lant
temperature is
too high, o r the coolant
level is too low. An
additional driver message can also be dis­
played by p ressing the
ICHECK I button:
Switch off engine and check coolant level
• Pull off t he ro ad.
• Stop the vehicle.
• Tur noff the engi ne .
• Chec k coolant leve l¢
page 263.
• Add coo lant if necessary ¢ page 264.
• Continue dr iv ing on ly after t he engine cool­
ant warning/ind icat or light goes out.
• Contact your authorized Aud i dealer for as-
sis tance if necessa ry.
If the engi ne coo lant level is correct, then the
r adiator fan may be the cause of the malfunc­
t ion.
If the . warning symbol (alternator mal­
funct ion) also lights up on the inst rument
panel
¢ page 31, then the fa n be lt may be
damaged .
A WARNING
- If you r vehicle should bre ak down for
me chanical or other reasons, par k at a
s af e dis tance from mov ing tra ffic, turn
o ff the en gine and tu rn on the haza rd
war ning lights¢
page 63, Emergency
flasher .
-
-Never open the hood if you see o r hear
steam or coo la nt escaping from the en­
g ine compartment -you r is k being scald ­
ed . Wait unt il you can no longer see o r
hear steam o r co olant escap ing.

94 Warm and cold
Warm and cold Climate control
Description
The air conditioner is fully automatic and is
designed to maintain a comfortable and uni­
form climate inside the vehicle .
We recommend the following settings :
.. Set the temperature to 72 °F (+22 °C).
.. Press the
!AUTO ! button.
With this setting, you attain maximum com­
fort in the least amount of time. Change this
setting, as desired, to meet your personal
needs.
The climate controls are a combination of
heating, ventilation and cooling systems,
which automatica lly reduce humidity and cool
the air inside your vehicle.
The air temperature, air flow and air distribu­
tion are automatica lly regu lated to achieve
and maintain the desired passenger compart­
ment temperature as quick ly as possib le.
The system automatically compensates for
changes in outside temperature and for the
intensity of the sunlight entering the vehicle.
We recommend you use the
Automatic mode
¢ page 97 for year-round comfort.
Please note the following:
Turn on the air conditioner to reduce humidity
in the vehicle . Thi s also prevents the windows
from fogging up.
When the outside temperature is high and the
a ir i s very humid,
condensation from the
evaporator may drip under the vehicle. This is
norma l and does not indicate a leak.
If the outside temperature is low, the fan nor­
mally only switches to a h igher speed once
the eng ine coolant has warmed up sufficient­
l y.
The air conditioner temporarily switches off
when you drive off from a standstill using full
thrott le to save eng ine power. The
compressor a lso switches off if the coo l­
ant temperature is too high , so that the en­
gine can be adequately cooled under extreme
loads.
Air pollutants filter
The air pollutants filt er (a comb ined particle
filter and activated charcoa l filter) reduces or
prevents outside air pollution (dust, or pollen)
from enter ing the vehicle. The air is also fil­
tered in air recirculation mode .
The air pollutants filt er must be changed at
the interva ls specified in your Warranty
&
Maintenance booklet, so that the a ir condi­
tioner can properly work.
If you drive your vehicle in an area with high
air pollution, the filter may need to be
changed more frequently than specified in
your Audi Warranty
& Maintenance booklet. If
in doubt, ask your authorized Audi Service Ad­
visor for advice .
Key coded settings
The air conditioner settings selected are auto­
matically stored and assigned to the key be ing
used. When the vehicle is started, the air con­
ditioner automa tically selects the settings as­
s igned to that key. This way every driver will
maintain h is/her own personal settings and
does not have to reset them manually .
If a different dr iver uses your key and changes
the a ir cond itioner settings, the latest adjust­
ments will e rase and replace the settings you
have stored.
Energy management
To prevent the battery from being discharged
and to restore the balance of energy, compo­
nents which require large amounts of energy
are temporarily cut back or switched off
¢ page 228. Heating systems in pa rticular re­
quire a great deal of energy.
If yo u notice , fo r
example, that the seat* or rear window heat­
ing is not heating, they have been temporarily
cut back or switched off by
energy manage­
ment.
These systems are availab le aga in as
soon as the energy balance has been restored . .,.

96 Warm and cold
Each function is turned on or off by briefly
pressing the corresponding button . The indi­
cator light in the button illum inates when the
function is active.
Button(s ) Function
ION/OFFI Climate control on/off
c> page96
IA/Cl Air conditioner on/off
c>page96
IAU TO I Automatic mode
¢page 97
Regulatora) G Temperature selection
c>page 97
[tl Seat heating*
¢page 103
~
Seat ventilation*
i=>page 103
~ Fan
¢ page 97
Qi] Air distr ibut ion
c> page 97
~ Defrost
i=>page 97
~ Manua l recircu lation
c>page98
~ Heated rear window
i=>page 98
al The re gula tor is also used to set th e fan speed, air dis ­
t ribution, seat heating and seat vent ilat ion.
Synchroniz ing clim ate control
By pressing and holding the regu lator on the
d river's s ide, the temperature setting on the
driver's side can be switched to the passeng ­
e r's side, and vice versa. The new temperature
is shown in the display.
Synchronizing four-zone automatic
comfort air conditi oning*
By pressing and holding the regu lator on the
driver's side, the temperature setting on the
driver's side can be switched to the passeng­
er's side and to the outer rear seats. The new
temperature is shown in the disp lay. By sim
ultaneously pressing and holding the
regulators o n the driver's side and front pas ­
senger's s ide, the temperature setting on the
driver's side can be switched to the front pas­
senger's side . The new temperature is shown
i n the disp lay .
(D Tips
The gr ille on the controls m ust rema in un­
obstr ucted and m ust not be taped over.
Measur ing sensors are located behind it.
Turning on and off~
Turning the climate control on
.,. Press the ION/O FF! button, or
.,. Press the
IAUTO I button.
Turning the climate control off
.,. Press the ION/O FFj button to sw itch the cli ­
mate contro l off and to block the air supply
from the outside.
The air conditioner turns bac k on when you
press the
temperature regulator or one of the
buttons.
(D Tips
With the ign ition t urned off, you can acti­
vate the residua l heat funct ion by pressing
the
ION/O FF I button. The res idual heat
from the coolant can be used to heat the
vehicle interior .
Air Conditioner On/Off~
Switching off the air conditioner saves fuel.
.,. Press the IAIC I button to switch the air con-
ditioner on or off.
When the air conditioner is switched on, the
indicator lamp in the button will illum inate
and the heat ing/venti lation system is control­
led automatically.
P lease keep in mind that with the air condi­
tione r switched off, the interior tempe rat ure ..,_

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-The brake booster and servotronic on ly
work when the engine is running. With
the ignition turned off, you have to apply
more force when steering or braking .
S ince you cannot steer and stop normal­
ly, this can lead to accidents and ser ious
injuries.
- The rad iator fan can continue to run for
up to 10 min utes even after you have
turned off the engine and removed the ign ition key. The radiator fan can also
turn on again if the engine coolant heats
up because of intense sunlight or heat
build -up in the engine compartment.
«I) Note
Do not stop the engine immed iate ly after
hard or extended dr iving. Keep the engine
running for approximately two minutes to
prevent excessive heat build-up .
Starting and stopping
the engine with
Convenience key
Starting the engine with the~
button
App lies to vehicles: with Convenie nce key
This bu tton swi tches on the ign ition and
starts the engine .
Fig. 124 Co nvenie nce k ey: ENG INE START b utton
The I STAR T! button is provided w ith two -sta ge
o p era tion
¢ fig. 124.
Sw itching the ignition on
.. Press the !STAR T I button once to the firs t
stage to switch on only the ign ition .
On th e road 109
Gasoline eng in e: St arting the engine
.. Step on the brake.
.. Move the s elector lever to the P or N posi­
tion ¢.&, .
.. Press th e
r:: 1s =T:--:- A=RT= i button to the secon d
stage to start the engine .
Diesel en gine : Starting the engine
.. Step on the brake.
.. Move the selector lever to the P or N posi­
tion ¢.&, .
.. Press th e
r:: 1s =T A c:--=RT= I button down to the first
level to begin the preheating process . The
glow plug indica tor light
II illum ina tes
when the glow plug sy stem is active .
.. When the ind icator light
II switches off,
press the
I ST ART ! button down to the se c­
ond
level to star t the eng ine .
After a cold engine is started, there may be a br ief period of inc reased no ise because oil
pressure must first build up i n the hydraulic
valve adjuste rs. This is norma l and not a cause
for concern .
If the engine does not start immediately, stop
trying after 10 seconds and then try to restart
the engine abou t 30 seconds later .
Glow plug system*
Die sel engines
are equ ipped with a glow plug
system whose preheating time is controlled
by the coo lant and outs ide temperature . Start
the engine
immediately afte r the glow plug
indicator light
II swi tches off .
The glow plug indicator light will only illumi ­
nate fo r approximate ly 1 second when the en­
gine is warm or the outs ide temperature is
highe r than 46 °F (8 °C) . That means yo u can
start the eng ine
immediately .
WARNING
Never allow the engine to run in confined
spaces -danger of asphyxiation .
(D Note
-Avo id h igh engine rpm, full thrott le and
heavy engine loads until the eng ine has

110 On the road
reac hed o per ating temperature -other ­
wise you risk engine damage.
- The eng ine cannot be started by pushing
or towing the vehicle.
@ For the sake of the environment
Do not allow the engine to warm up with
t he vehicle stationary. Start driving right
away . In th is way you avoid unnecessary
emissions.
@ Tips
If you open the drive r's door when the ig ­
nition is switched o n, a buzze r sounds and
the message
Ignition is on appears i n the
instrument cluster disp lay. Please switch
the ignition off.
Switching engine off with the~
button
App lies to veh icles: wit h Co nvenience key
Fig . 125 Convenience key: ENGINE STOP button
.. Bring your vehicle to a complete stop.
.. Move the selector lever to the P or N pos i-
t ion.
.. Press the
!STOP ! button c;, fig. 125.
Pressing the ! STOP ! button once switches off
the eng ine and the ignition. If you press t he
!STOPI button again for more than 1 second,
the steering is locked , provided that the selec­
tor lever is in t he P pos it ion
c;, & .
Emergency OFF function
If necessary, the eng ine can be sw itched off
with the selector lever in the R, Dor S posi­
tions . To do so, step on the brake pedal and press and ho
ld the
! STOP ! button (vehicle
speed must be less than 6 mph/ 10 km/h).
.&_ WARNING
-
- Never turn off the engine until the vehi-
cle has come to a complete stop.
- The brake booster and servotronic only
work when the engine is running. With
the ignition turned off, you have to apply mo re force when steeri ng or brak ing.
Since you cannot stee r and stop normal­
ly, t his can lead to acc idents and se rious
. . . in Juries.
- For safety reasons, you sho uld a lways
pa rk your vehicle wit h the selector lever
in P. O therwise, the vehicle could inad­
ver ten tly roll aw ay.
- Afte r the eng ine has been switch ed off,
t he r adi ator fa n can cont in ue to run f or
up to 10 minu tes -even with the igni tion
switched off . It can also switch on again
after some t ime if the coolant tempera ­
ture rises as the resu lt of a heat b uildup
or if the engine is hot and the engine
compartment is additionally heated by
the sun's rays.
(D Note
If the engine has been under heavy load
for an extended pe rio d, heat b uilds up in
the engine compartment after the engi ne
i s sw itched off -there is a r isk of damag ing
the e ngine. A llow the engi ne to run a t id le
fo r about 2 minutes before switching it
off .
Driver messages in the instrument
cluster display
Applies to veh icles: w it h Co nvenience key
If a func tion is not present, a driver message
appears.
No key identified
T his message appears when the I STAR T I but-
ton is pr essed if there is no master key ins id e
the vehi cle or if the system does not recogn ize
IJ,-

24 0 Trailer towing
chains, make sure they wi ll not drag on the
road when you are driving .
The cha ins shou ld cross under the tra ile r
tongue to prevent it from dropping in case of
separation from the hitch.
0 Note
If you are going to tow a tra ile r, you must
activa te the trailer operation mode
~ page 161, Towing a trailer.
Driving instructions
Driving with a trailer always requires extra
cor e and consid eration.
To obta in the best poss ible handling of vehicle
and tra ile r, p le ase no te the following:
.. Do not tow a loaded tra iler when your car it­
self is not loaded.
.,. Be especia lly careful when pass ing othe r
vehicles .
.. Observe speed limits.
.. Do not driv e at the maximum p ermissible
speed.
.. Always apply brakes early.
.. Monitor the temperature gauge.
Weight di stributio n
Towing a loaded trai ler with an empty ca r re­
sults in a high ly unstable distribution of
weight . If this cannot be avoided, drive at very
l ow speeds only to avoid the risk of losing
steering control.
A "balanced" rig is eas ier to operate and con ­
trol. This means that the tow vehicle should
be loaded to the extent possible and permiss i­
ble, while keeping the trailer as light as possi­
b le under the circumstances. Whenever possi­
b le, transfer some cargo to the luggage com­
pa rtment of the tow veh icle wh ile observing
tongue load requirements and vehicle loading
considerations .
Speed
The higher the speed, the more difficult it be­
comes for the driver to control the rig . Do not
drive at the maximum permiss ible speed . Re- duce your speed even more i
f load, weather or
wind conditions are unfavorable - particularly
when going downhill.
Red uce veh icle speed
immediately if the trail­
er shows the slightest s ign of sway ing.
Do not
t ry to stop the swa ying by acceleratin g.
Observe speed limits. In some a reas, speeds
f or vehicles tow ing tra ile rs are lower than for
r egular vehicles.
Always apply brakes early. When driving down hill, shift into a lowe r gear to use the en­
gine braking effect to s low the vehicle . U se o f
the brakes alone can cause them to overheat
and fail.
Coolant temperature
T he coo lant tempe ratu re gauge ~ page 10
must be observed caref ully. If the need le
moves close to the upper end of the scale, re­
duce speed immediately and/or turn off the
air conditioner.
If the coolant temperature warn ing light in
the instr ume nt cluster starts flashing., pull
off the road , stop and let the engine
idle for
about two min utes to prevent heat build -up .
A WARNING "--
Anyone not proper ly restrained in a mov-
i ng vehicle is at a much greater risk in an
accident. Never let anyone ride in your car
who is not properly wearing the restraints
p rov ided by Audi .
Trailer towing tips
Important to know
Your vehicle handles d ifferently when towing
-
a trai ler because of the additional weight and
different weight distr ibut ion. Safety, perform­
ance and economy will great ly depend on how
ca refully you load your tra iler and operate
yo ur rig .
Before you act ua lly tow your tra iler, practice
turning, stopping and backing up in an area
away from traffic. Keep pract ic ing unt il you

M N
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'SI: ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
-Apply the parking brake.
- Move selector lever to P (Park).
- Always let the engine cool down. Hot
components will burn skin on contact.
- To reduce the risk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine
compartment. Wait until no steam or
coolant can be seen or heard before care­
fully opening the hood.
- 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 auxili­
ary electric fan is temperature controlled
and can switch on suddenly.
- Never open the coolant reservoir cap
when the engine is still warm. The cool­
ant system is pressurized and hot cool­
ant 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 electri­
cal system is necessary:
- Always disconnect the battery .
- Never smoke or work near heaters or
open flames. Fluids in the engine com­
partment could start a fire.
- Keep an approved fire extinguisher im­
mediately available.
- To avoid electrical shock and personal in­
jury 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:
Checking and filling 257
- First, fully apply the parking brake,
move selector lever to P (Park).
- Always use extreme caution to prevent
clothing, jewelry, or long hair from get­
ting caught in the radiator fan, V-belts
or other moving parts, or from contact­
ing 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
chemical hazards~&. .
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
California to cause cancer and birth de­
fects and reproductive harm. In addition,
certain fluids contained in vehicles and
certain products of component wear con­
tain or emit chemicals known to the State of California to cause cancer and
birth defects or other reproductive harm.
- Battery posts, terminals and related ac­
cessories contain lead and lead com­
pounds, chemicals known to the State of
California to cause cancer and reproduc­
tive harms. Wash hands after handling.
Q) Note
When adding fluids, always make sure that
they are poured into the proper container
or filler opening, otherwise serious dam­
age 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 flu­ ids, have your vehicle inspected by an au­
thorized Audi dealer. •
•

26 2 Ch eck ing and filling
8_ WARNING
Stop! Before working in the engine com­
partment, always read and heed all WARN ­
INGS
~ .&. in Working in the engine com­
partment on page
256 . The engine com­
partment of any motor veh icle is a poten­
tially dangerous area and can cause ser i­
ous personal injury.
8_ WARNING ,,,__
If you must change the engine oil in your
vehicle:
- Always wea r eye protection .
- T o reduce the ris k of burns from hot en-
gine oil let the engine cool down to the
touch.
- Whe n removing the oil drain plug with
yo ur fingers, stay as far away as poss ible.
Always keep your forearm paralle l to the
ground to he lp prevent hot oil from run­
ning down your arm.
- Drain the oi l into a container designed
for this pu rpose, one large enough to
hold at least the total amount of oil in
your engine.
- To reduce the risk of poisoning, never use
empty food or beverage containers that
might m islead someone into dr ink ing
from them.
- Engine oil is poisonous. Keep it well out
of the reach of children.
- Cont inuous contact with used engine oil
is harmful to your skin. Always protect
your sk in by washing thoroughly with
soap and water .
(D Note
Never mix oil additives with your engine
oil. These additives can damage your en­
gine and adverse ly affect your Audi Limit­
ed New Vehicle Warranty.
@i For the sake of the environment
- Before changing the oil, first make sure
you know where you can properly dispose of the old oil.
-
.
- Always dispose of used oil p roperly. Nev ­
er dump it on garden soil, in wooded
areas, into st reams or down sewage
dra ins.
- Recycle used oi l by taking it to a used en­
gine oil collection facility in your area, or
contact a service station.
- We strongly recommend that yo u have
your oil changed by an authorized Audi
dealer or a qualified workshop with the
special tools and expert ise required, and
proper means of disposal.
Engine cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro­
tects the engine from freezing in the winter.
T he cooling sys tem is sealed and genera lly re­
quires little attention.
The cooling system has been fi lled at the fac­
tory with a permanent coolant which does not need to be changed. The coo lant cons ists of a
mixtu re of specially conditioned water and the
manufacturer's g lycol -basedcoo la nt add
i-
tive G l3 antifreeze with anticorrosion addi ­
tives (SO% for USA mode ls; 60% for Canadian
models). This mixture both assures the neces­
sary frost protection and protects metal com­
ponents in the eng ine's cooling system from
corros ion and scaling.
It also ra ises the bo il­
i ng po int of the coolant .
Do not reduce the concentration of the cool­
ant in the summer by adding p lain wate r. Th e
proportion of coo lant additiv e mu st be at
l e as t 50 °/4 but not m ore than 60°/4
to main­
ta in ant ifreeze protect io n and cooling eff ic ien­
c y.
If the coo lant fros t protection is too low,
the coolant could freeze and damage the vehi­
cle heating and engine cooling system.
For year- round driving, antifreeze is added at
t h e factory fo r temperatures down to:
- -31°F(-35°C)USA
- - 40 °F ( - 40 °C) Canada.