2018 AUDI Q7 check engine

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 .

Cl a:, ...... N
" N ,-1 0
0
::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

Index
Audio fi les . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Aud io player
B luetooth audio player . . . . . . . . . . . . . . . 228
W i-Fi aud io player . . . . . . . . . . . . . . . . . . . 229
Aud io track . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Audi p re sense . . . . . . . . . . . . . . . . . . . . . . . 112
M essages . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Aud i Serv ice Repair Ma nuals and Lite rature 37 7
Aud i side assist . . . . . . . . . . . . . . . . . . . . . . . 120
Rea r cross-traffic ass ist . . . . . . . . . . . . . . . 124
Aud i smartphone interface . . . . . . . . . 243, 247
Aud i vi rt u a l co ckpit
refer t o In str ume nt cl uster . . . . . . . . . . . . . 10
AUTO Automatic headlights . . . . . . . . . . . . . . . . . 4 3
Auto Lock (centra l loc king system) . . . . . . . . 29
Autom atic belt ret ractor . . . . . . . . . . . . . . . 264
Automatic climate control . . . . . . . . . . . . . . . 66
Operation . . . . . . . . . . . . . . . . . . . . . . . . 67, 70
Automatic climate control system Aud i drive select. . . . . . . . . . . . . . . . . . . . . 128
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 69, 72
Automatic transm ission . . . . . . . . . . . . . . . . . 85
Emergency program . . . . . . . . . . . . . . . . . . 90
H ill descent contro l . . . . . . . . . . . . . . . . . . . 88
Kick-down . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Manual s hift ing . . . . . . . . . . . . . . . . . . . . . . 89
Park ing lock emergency re lease . . . . . . . . . 91
Selector leve r pos itions . . . . . . . . . . . . . . . . 86
Automatic wipe/wash system . . . . . . . . . . . . 50
Auto Safety Hotline . . . . . . . . . . . . . . . . . . . 259
AUTO (button) Automatic cl imate control ........... 68, 71
Auxiliary heater (a utomatic climate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . 69, 72
AUX inp ut . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Average cons umption . . . . . . . . . . . . . . . . . . . 16
Average speed . . . . . . . . . . . . . . . . . . . . . . . . 16
B
BACK b utton . . . . . . . . . . . . . . . . . . . . . . . . . 14 9
Balance (sound) . . . . . . . . . . . . . . . . . . . . . . 249
Bass (sound) . . . . . . . . . . . . . . . . . . . . . . . . . 249
382
Battery
Jump starting . . . . . . . . . . . . . . . . . . . . . . . 369
also refer to Vehicle battery . . . . . . . . . . . 326
Befo re dr iv ing . . . . . . . . . . . . . . . . . . . . . . . . 252
Be lt tens ioners . . . . . . . . . . . . . . . . . . . . . . . 267
B lended gaso line . . . . . . . . . . . . . . . . . . . . . 310
B lowe r (automat ic cl imate contro l) . . . . . 68, 71
B luetoot h
Audio player . . . . . . . . . . . . . . . . . . . . . . . . 228
Connect ing a cell phone . . . . . . . . . . . . . . 17 4
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Booste r sea ts . . . . . . . . . . . . . . . . . . . . . . . . 301
Boos t pressure ind icator . . . . . . . . . . . . . . . . 17
B rake fl uid
Checking the brake fluid level . . . . . . . . . . 326
B rakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
B rake ass ist . . . . . . . . . . . . . . . . . . . . . . . . 142
B rake fl uid . . . . . . . . . . . . . . . . . . . . . . . . . 3 26
E lectromechanical parking brake . . . . . . . . 81
Emergency braking function . . . . . . . . . . . . 82
New bra ke pads . . . . . . . . . . . . . . . . . . . . . 144
Worn brake pads . . . . . . . . . . . . . . . . . . . . . 26
B reak -in secu rity feature . . . . . . . . . . . . . . . . 35
Breaking in New brake pads . . . . . . . . . . . . . . . . . . . . . 144
New engine . . . . . . . . . . . . . . . . . . . . . . . . . 7 4
New t ires . .. .. .. .. .. ............. .. 33 7
Browser
refer to Media center . . . . . . . . . . . . . . . . . 235
Bu lbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Buttons Cont rol p anel (M MI) . . . . . . . . . . . . . . . . . 149
Mult ifunct io n steer ing whee l . . . . . . . . . . . 12
Switc hing the Infotainment system disp lay
o n/off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
C
Cable ( USB adap ter/ AUX connector cab le) 231
Californ ia Propos ition 65 Warning . . . . . . . 319
Battery specific . . . . . . . . . . . . . . . . . . . . . 3 26
Call list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Call options . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Cl a:, ...... N
" N ...... 0
0
::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