2018 AUDI Q7 engine coolant

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:E ' -If the hood is not latched completely, it
could fly up while you are driv ing and ob­
struct your vision.
Engine compartment overview
The most important check points.
Chec king and Filling
Fig . 2 63 Typ ical location of the reservoir a nd t he eng ine o il filler ope ning
@ Jump start point(+) under a cover,(-) with
hex head screw
c::> page 32 7 c::> page 369
@ Coolant expans ion tank ( - L) c::> page 325
@ Engine oi l label * with VW standard
<=:> page 321
© Engine oil filler opening ('t=:r.) c::> page 322
® Brake f luid reservoir ((0)) c::> page 326
® Washer fluid reservoir (~) c::> page 328
The coolant expansion tank @and the engine oil
fi ller opening ©
c::> fig. 263 may be located in dif­
ferent places depending on the engine version.
A WARNING
Read and follow all WARNINGS before check­
ing anything in the eng ine compartment
c::> page 319.
Engine oil
If the engine oil level is too low
If you need to add engine oil, us e an oil that i s
li sted on the st icker.
The sticker is located at the
front of the engine compartment
c::> page 321 ,
fig. 263.
If the recommen ded engine o il is not avai lab le,
in an emergency you may add a maximum of 1
quart
( l liter) of ACEA C3 or API SN eng ine oi l
one time until the next oil change.
F or more i nformation on the correct eng ine oil
for yo ur vehicle, contact an author ized A udi deal­
er or authorized Aud i Service Facility . Have the o il
c h anged by an authorized Audi dealer or author-
i z ed Service Facility.
ll>
321

Check ing and F illing
Detergent additives in the oil will make fresh oi l
look dark after the engine has been running for a
short t ime. Th is is norma l and is not a reason to
change the oil more often than recommended.
Because of the prob lem of p roper disposa l, along
with the special tools and necessary expertise re­
qu ired, we strongly recommend that you have
your oil changed by an authorized
Audi dealer or
a qualified service station .
If you choo se to change your oil your self , please
note the following important information:
A WARNING
To reduce the risk of personal injury if you
must change the engine oil in your veh icle
yourself:
- Wear eye protection.
- To reduce the risk of burns from hot engine
o il, let the eng ine cool down to the touch.
-
- When removing the oi l drain plug with your
fingers, stay as far away as poss ible. A lways
keep your forearm paralle l to the ground to
help prevent hot oi l from running down your
arm.
- Drain the oil into a container des igned for
this purpose, one large enough to hold at least the total amount of oil in your eng ine .
- Engine oil is poisonous. Keep it well out of
the reach of chi ldren .
- Cont inuous contact w ith used engine oil is
harmful to yo ur sk in. A lways protect your
sk in by washing o il off thoroug hly w ith soap
and water.
@ Note
Never mix o il add it ives wit h your engine o il.
These additives ca n damage your eng ine and
adversely affect your Aud i Lim ited New Veh i­
cle Warranty.
@ For the sake of the environment
- Before changing your oil, f irst make sure
you know w here yo u can properly dispose of
the used oil.
- Always dispose of used engine oil properly. Do not dump it on garden soi l, wooded
324
areas, into open streams or down sewage
drains.
- Recycle used engine o il by ta king it to a used
engine oi l collection facility in yo ur a rea, or
contact a service station.
Cooling system
Coolant
The eng ine cooling system is filled w ith a mixtu re
of p urified wate r and coolant additive a t the fac­
tory. This coolan t m ust no t be no t changed.
The coo lant level is mon itored through th e . in­
dicator light
r=;, page 22. However, we do recom­
mend oc cas io nally checking the coolant leve l
manu ally.
If you must add coolant, use a mixture of water
and coolant additive . Mix ing the coo lant add itive
with dist illed wate r is recommended.
Coolant additive
The coolant additive is made of anti-freezing and
corrosion protection agents . Only use the follow­
i ng coolant additives . These add itives may be
mixed wi th each other.
Coolant additive Specification
G12 evo TL 774 L
G12 ++ TL 774 G
G 13
TL 774 J
The amou nt of coolant addit ive that needs to be
mixed with water depends o n the c lima te where
t h e ve hicle w ill be operated. If the coo lant add i­
t ive pe rcen tage is too low, the coolan t ca n freeze
and damage the engine.
Coolant Freeze protec-
additive tion
Wa rm min
. 40% min. -13 °F
regions max
. 45% ( -25 °C)
Cold min. 50% max. -40 °F
regions max. 55% (-40 °C)

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:E ' (D Note
-Before the start of winter, have an author­
ized Audi dealer or author ized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate . Th is is especially important
when driving in co lder climates.
- If the appropriate coolant additive is not
available in an emergency, do not add any
other additive. You could damage the en­
gine. If this happens, only use wa te r and re­
store the co rrect mixture ratio with the
spec ified coo lan t additive as soon as possi­
ble .
- Only refill with new coo lant.
- Radiator sealant must no t be mixed with
the coo lant.
Adding coolant
Fig . 26 5 Eng ine compartme nt: release button on coolant
expansion tank
Observe the safety precautions ¢ page 319,
Working in the engine compartment .
Checking the engine coolant level
.,. Park the vehicle on a level surface .
.,. Swi tch the ign ition off.
... Read the coolant leve l on the coo lant expansion
tank¢
fig . 265.
... The coolant level must be between the MIN and
MAX markings when the engine in cold. When
the engine is warm it can be slightly above the
MAX marking.
Adding coolant
Requirement: there must be a residual amount of
coo lant in the expans ion tank
¢ (D .
Chec king and Filling
.,. Let the engine cool down.
... Place a cloth over the coolant expansion tank
cap.
... Push the release button
¢fig. 265 and carefu l­
ly unscrew the cap to the left until you feel re­
sistance ¢.&, .
.,. Push the release button aga in and remove the
cap comple tely .
.,. Add coo lant m ixed in the cor rec t rat io
¢page 324 up to t he MAX mar king.
... Ma ke sure that t he f luid level remains stab le .
Add mo re coolant if necessary .
... Tu rn the cap to the right to secure it until you
fee l res istance a second time.
Coola nt loss usually in dicates there is a leak . Im­
mediate ly drive your vehicle to a n authorized
Audi dealer or authorized A udi Service Facility
and have the cooling system inspected.
If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheat ing
and being pushed out of the cooling system .
A WARNING ,.__
-The cooling system is under pressure. Do
not open the coo lant ex pansion tan k cap
when t he engine is hot. This increases the
ris k of burns .
- Th e coolan t addi tive and the coolan t can be
dangerou s to yo ur he alt h . Fo r th is reason,
keep the coolant in the original cont ainer
an d away from children. There is a risk of
poisoning .
- When working in the engine compar tment,
remember that t he radiator fan can switch
on even if the ignition is switched off, which increases the risk of injury .
{U) Note
Do not add coolant if the expansion tank is
empty. There may be air in the cooling sys­
tem, which increases the risk of engine dam ­
age. If this is the case, do not cont inue driv­
i ng. See an authorized A udi dealer or author­
i zed Audi Service Facility for assistance .
-
325

Consum er Info rmation
today's automobi les, have steadi ly red uced the
scope of maintenance and repairs which can be
carried out by veh icle owners.
Al so , sa fet y and
en vironmental
concerns place very strict limits
on the nature of repairs and adjustments to en­
g ine and transmission parts w hich an owner can
perform .
Maintenance, adjustments and repairs usually re­
qu ire special tools, testing devices and other
equ ipment available to specially trained work ­
shop personnel in order to assure proper per­
forma nce, re liab ility and safety of the ve hicle and
its many systems .
Improper maintenance, adjustments and repairs
can impair the operation and reliab il ity of your
ve hicle and eve n void your vehicle warra nty .
Therefo re, proof of se rvicing in accordance w ith
the m aintenance schedule may be a condition fo r
up hold ing a possible wa rranty claim made wi thin
the warranty pe riod.
Above all, ope rational safety can be adversely af­
fected, c re ating unnecessa ry risks fo r you and
your passengers.
I f in doubt about any servicing, have it done by
your author ized Audi dealer or any other prope rly
eq uipped and qualified workshop . We strongly
urge yo u to g ive your author ized Audi dealer the
opportunity to perform a ll scheduled mainte ­
nance and necessary repairs. Your dealer has the
facilities, origina l parts and tra ined specialists to
keep your veh icle running properly.
Performing limit ed maint enanc e yourself
The fo llowing pages describe a limited number of
procedures whic h can be performed on your ve hi­
cle with ordinary tools, should the need arise and
tra ined personnel be unava ilable. Before per ­
forming any of these procedures, always thor­
ough ly read all of the app licab le text and carefu l­
ly follow the instructions g iven . Always rigorously
observe the
W ARNINGS prov ided .
Befo re yo u check an ything in the engine com ­
partment , alway s read and h eed all WARNINGS
c> .&. and c> .&. in Working in the engine compart­
ment on page 319 .
378
A WARNING
-Ser ious personal injury may occur as a result
of improperly performed maintenance, ad­
justments or repairs .
- Always be extreme ly careful when work ing
on the vehicle . Always follow commonly ac­
cepted safety practices and general com­ mon sense. Never r is k personal in jury.
- Do not attempt any of the maintenance,
checks or repairs described on the following pages if you are not fu lly fam il iar with these
or other procedu res with respect to the ve­
hicle, or are uncertain how to proceed.
- Do not do any work wi thout the prope r tools
and eq uipmen t. H ave the necessary wo rk
done by your authorized Audi dealer or an ­
other properly equipped and qualified work­
shop.
- The engine compartment of any motor vehi ­
cle is a potentially hazardous area . Never
reach into the area around or touch the radi­
ator fan. It is temperature controlled and
can switch on suddenly - even when the en­
gine is off and the ignition key has been re­
moved. The rad iator fan switches on auto­
mat ically when the coolant reaches a certain
temperature and will con tinue to run until
the coolant temperat ure drops.
- Always remove the igni tion key before any­
one gets under the vehicle.
- Always support your vehicle with safety
stands if it is necessary to work underneath
the vehicle. The jack* s upplied w ith the vehi­
cle is no t ad equate for th is pu rpose and
could collapse causing se rious personal in ­
jury .
- If you must work underneath the vehicle
with the wheels on the ground, always make
sure the vehicle is on level ground, that the
wheels a re always sec urely blocked and that
the engine cannot be started.
- Always make sure the transmission se lector
lever (automatic t ransm iss ion) is in P (Park
position) and the park b rake is applied .

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::r ' @ For the sake of the environment
-Changing the engine settings wi ll adversely
affect emission leve ls. Th is is detrimental to
the env ironment and increases fuel con ­
sumption.
- A lways observe environmenta l regu lations
when disposing of old engine o il, used brake
flu id, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers might be classified as Perchlorate Mate­
rial -spec ial handl ing may apply, see
www .dtsc.ca .gov/hazardouswaste/perch lo­
r ate. When the vehicle or pa rts of t he re­
stra int system includi ng a irbag mod ules
s af ety be lts with pretens ioners a re scrap ­
ped, a ll applicab le laws and regulations
must be observed. Your a uthorized Audi
dealer is fam iliar with these requirements
and we recommend that you have your dea l­
er perform this service for you.
Accessories and
technical changes
Additional accessories and parts replacement
Always consult on authorized Audi dealer before
purchasing accessories.
Audi ve hicles that are constructed with advanced
materials like Steel/Aluminum (Hybrid construc­
tion), Aluminum (Aud i Space Frame), and/or Alu­
minum/Carbon Fiber (Ultra Advanced Light
We ight Materials) are as unique as the ir dr ivers .
Therefo re, the ava ilability of certain parts needed
for repa ir , restorat ion, or reconstruction w ill be
rest ricted , or pa rts will be unava ilable, if the ve ­
hicl e is not repa ired at an a uthorized Aud i co lli­
sion repair facility . This includes but is not limi t­
ed to structura l parts which require specia lized
training and equipment to restore their crash ­
worthiness back to the original NHTSA and IIHS performance.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
Con sum er In form ation
This safety could be compromised by non -ap ­
proved changes to the vehicle. For t his reason, if
parts have to be rep laced, p lease observe the fol ­
lowing points when install ing additional accesso­
ries:
Approved Audi accessories and genuine Audi parts are avai lab le from authorized Aud i dea lers.
T hese dea le rs a lso have t he necessa ry fa cilit ies,
tools and trained specialists to install the pa rts
and accessories proper ly .
A WARNING
--
Using the wrong spare parts or using non -ap­
p roved accessories can cause damage to the
vehicle and serious personal injury.
- Use on ly accessories expressly approved by
Aud i and genuine Audi spare parts
- These parts and accessor ies have been spe­
cially designed to be used on your vehicle.
- Do not use license p late brac kets in the
front area that are d ifferent from the one
installed at the factory, or add additional
li­
cense plate brackets.
- Never install accessor ies such as telephone
cradles or beverage holders on airbag covers
or w ith in the airbag deployment zones. Do­
ing so will increase the risk of injury if a ir­
bags a re tr iggered in an accident!
- Before you check anyth ing in the eng ine
compa rtment, always read and heed all
WARN INGS
~page 319.
@ Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repa ir work is not per­
form ed according to specified methods, th is
c an result in seve re damage to you r vehi­
cle's eng ine and body (s uch as cor rosion)
and adve rsely affec t your ve hicle's warranty.
- If emergency repa irs m ust be pe rformed
elsew here, have the vehicle ex am ined by an
authorized A udi dealer as soon as possib le .
- Th e manufac ture r ca nnot be he ld liable fo r
damage wh ic h occur s d ue to fail ure to com ­
ply with these stipulations.
379

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::r ' Easy seat entry . . . . . . . . . . . . . . . . . . . . . . . . 77
Economical route . . . . . . . . . . . . . . . . . . . . . 210
E DS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
E lectromechanical parking brake . . . . . . . . . 81
Electromechanical steering . . . . . . . . . . . . . 146
Electronic immobilizer . . . . . . . . . . . . . . . . . . 30
E lectronic stab ilization control
refer to ESC . . . . . . . . . . . . . . . . . . . . 142 , 143
Emergency assistance . . . . . . . . . . . . . . . . . 357
Emergency braking function . . . . . . . . . . . . . 82
Emergency call function
Aud i connect emergency cal l and serv ice . 201
Emergency flashers . . . . . . . . . . . . . . . . . . . . 45
Emergency operation
Fu el fi ller door . . . . . . . . . . . . . . . . . . . . . . 314
E mergency starting . . . . . . . . . . . . . . . . . . . 369
Emissions control system . . . . . . . . . . . . . . 317
Energy management . . . . . . . . . . . . . . . . . . 147
Engine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Start/Stop system . . . . . . . . . . . . . . . . . . . . 79
Starting/stopping . . . . . . . . . . . . . . . . . . . . 77
Starting with jumper cab les . . . . . . . . . . . 369
Engine compartment
Opening/closing the hood . . . . . . . . . . . . . 320
Overview. .. .. ............. .. .. .. .. . 321
Safety precautions . . . . . . . . . . . . . . . . . . . 319
Engine oil Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Checking oi l level . . . . . . . . . . . . . . . . . . . . 321
Consumption . . . . . . . . . . . . . . . . . . . . . . . 321
Temperature display . . . . . . . . . . . . . . . . . . 17
Engine sound . . . . . . . . . . . . . . . . . . . . . . . . 128
Engine Start/Stop mode
refer to Start/Stop system . . . . . . . . . . 79, 81
E ng ine stop
refer to Sta rt/Stop system 79,81
Enhanced view . . . . . . . . . . . . . . . . . . . . . . . . 14
Entering characters/numbers (speller) . . . . 157
E nter ing letters (speller) . . . . . . . . . . . . . . . 157
Entertainment sliding menu . . . . . . . . . . . . 155
Entry/exit lighting . . . . . . . . . . . . . . . . . . . . . 45
Entry assistance
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Index
Environment
Proper disposa l of drained engine oil 323
Unleaded gasoline . . . . . . . . . . . . . . . . . . . 310
ESC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Hi ll descent assist . . . . . . . . . . . . . . . . . . . 144
Offroad mode . . . . . . . . . . . . . . . . . . . . . . . 143
Evasive steering support . . . . . . . . . . . . . . . 113
Event Data Recorder ( EDR) . . . . . . . . . . . . . 14 7
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 43
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . . 4 7
Externa l voice operation . . . . . . . . . . . . . . . . 172
F
Factory default settings
Multi Media Interface . . . . . . . . . . . . . . . . 246
Fader (sound) . . . . . . . . . . . . . . . . . . . . . . . . 249
Fastening Booster seats . . . . . . . . . . . . . . . . . . . . . . . 301
Convertible child safety seats . . . . . . . . . . 299
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 297
Fast forwarding/rewinding (audio/video
file) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Fast forwarding (audio/video file) . . . . . . . . 234
Fast route 210
Favorites Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 205
Telephone. .. .. .. ................. .. 179
Federal Communications Commission (FCC) 380
File formats (media drives) . . . . . . . . . . . . . 240
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Folding the backrest down/up . . . . . . . . . . . . 57
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 256
For the sake of the environment Environmentally-friendly driving . . . . . . . . 74
Fueling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
Leaks. .... .. .. .. ................. .. 320
Warming up the engine . . . . . . . . . . . . . . . . 77
Free text search . . . . . . . . . . . . . . . . . . . . . . 158
Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 204
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Telephone . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Freeze protection Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Frequency band . . . . . . . . . . . . . . . . . . 220, 223
385