2014 AUDI Q7 check engine

complexity of today's automobi les, have
steadi ly reduced the scope of maintenance
and repairs which can be carried out by vehicle
owners.
Also, safe ty and e nvir onm en tal con­
cerns p lace very strict limits on the na ture of
repairs and adjustments to engine and trans ­
miss io n pa rts which an owner can perform .
Maintenance, adjustments and repa irs usua lly
require special tools, testing dev ices and oth­
er equipment avai lab le to specially trained
workshop personnel in order to assure prope r
performance, reliab ility and safety of the vehi­
cle and its many systems .
Improper ma intenance, adjustments and re ­
pa irs can impair the operation and reliability
of your vehicle and even void your vehicle war­ ranty. The refo re, p roof of servici ng in accord­
ance w ith the maintenance sched ule may be a
condition for upholding a poss ible war ranty
claim made within the warranty period.
Above all, operational safety can be adversely
affected, crea ting unnecessary risks for you
and your passengers.
If in doubt about any servicing, have it done
by your authorized Audi dealer or any other
properly equipped and q ualified workshop .
We strong ly urge you to give you r a uthorized
Audi dealer the opportunity to perform all
schedu led maintenance and necessary repairs .
Your dea ler has the facilities, or iginal parts
and trained spec ialists to keep your vehicle
running properly .
Performing limit ed m aintenance you rself
The following pages describe a limited num­
ber of procedures which can be performed on
your vehicle with ordinary too ls, should the
need arise and trained personnel be unavaila­
b le. Before performing any of these proce­
dures, always thoroughly read all of the app li­
cable text and carefully follow the instruc­
tions given . Always rigorously obse rve the
WARNINGS provided .
Before you check anything in th e engine
compartment, a lway s re ad and heed all
Con sumer In formation 317
WARNINGS ¢ & and ¢ & in Working in the
engine comportment on page 257 .
A WARNING
-Ser ious personal injury may occur as a re­
sult of improperly performed mainte­ nance, adjustments or repa irs.
-Always be extremely careful when work­ ing on the vehicle. Always follow com­
mon ly accepted safety pract ices and gen­
eral common sense . Never r isk personal
lnJUry .
- Do not attempt any of the ma intenance ,
checks or repairs descr ibed on the fol­
lowing pages if you are not fully fam iliar
wit h these or othe r pro cedures with re­
spect to t he veh icle, or are uncerta in how
to p roceed .
- Do not do any work without the proper
too ls and equipment. Have the necessary
work done by your authorized A udi deal ­
er or another proper ly equipped and
qualified workshop .
- The engine compartment o f any motor
veh icle is a potentially hazardous area.
Never reach into the area around or
touch the rad iator fan. It is temperature
contro lled and can switch on suddenly -
even when the engine is
off and the igni­
tion key has been removed. The rad iator
fan switches on automat ica lly when the
coo lant reaches a certai n temperatu re
and will cont inue to run until the coo lan t
tempera ture drops .
- Always remove the ign ition key befo re
anyone gets under the vehicle.
- Always support your veh icle with safety
s tands i f it is necessary to work under­
neath the vehicle. The jack s upplied with
the vehicle is not adequate for this pur ­
pose and cou ld collapse causing serio us
personal injury.
- If you must work underneath the vehicle
with the wheels on the ground, a lways
make sure the vehicle is on leve l ground,
that the wheels are a lways securely
blocked a nd that the engine cannot be
started .
•
•

318 Con sum er Inf ormation
-Always make sure the transmission se­
lector lever (automatic transmiss ion) is
in P (Park position) and the park brake is
firmly applied .
@) For the sake of the environment
-Changing the engine settings wi ll ad­
versely affect em iss ion levels. This is det­
rimental to the environment and increas­
es fuel consumption .
- Always observe env ironmental regula­
tions when dispos ing of old engine oil,
used brake fluid, dirty engine coolant,
spent batteries or worn out tires.
- Undeployed airbag modules and preten­
s ioners might be classified as Perchlo ­
rate Material -spec ial handling may ap­
ply, see www.dtsc.ca .gov/hazardous­
was te/perch lorate . When the veh icle or
parts of the res traint system including
airbag modules safety belts wit h preten ­
sioners are scrapped, all applicable laws
and regulations must be observed. Your
authori zed Aud i dea ler is familiar with
these requirements and we recommend
that you have your dealer perform this
serv ice for you .
Additional accessories,
modifications and
parts replacement
Additional accessories and parts
replacement
Always consult an authorized Audi dealer be­
fore purchasing accessories.
Your veh icle incorporates the latest safety de­
sig n featu res ensu ring a high standard of a c­
tive and passive safety .
This safety could be comp romised by non-ap­
proved changes to the ve hicle. For this reason ,
if pa rts have to be replaced , please obse rve
the following points when install ing addition­
a l accessories: Approved Audi accessories and genuine Aud
i
parts are available from authorized A udi deal­
ers.
T hese dea le rs a lso have the necessary facili­
ties, tools and tra ined specialists to install the
parts and acc essories proper ly .
A WARNING
-Using the wrong spare parts or using non-
approved accessories can cause damage to
the veh icle and ser ious persona l injury.
- Use on ly accessories express ly approved
by Audi and gen uine Audi spare parts
- These parts and accessories have been
specia lly designed to be used on yo ur ve­
h icle .
- Never install accessor ies such as tele­
phone crad les or beverage ho lders on a ir­
bag covers or within the airbag deploy­
ment zones . Do ing so will increase the
risk of injury if a irbags are triggered in an
accident!
- Before you check anything in the engine
compa rtment, always read and heed a ll
WARNI NGS
9 page 257.
(D Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repair work is not
performed accord ing to specified meth­
ods, this c an resu lt in seve re damage to
your vehicle's eng ine and body (such as
corrosion) and adversely affect yo ur vehi ­
cle's warranty .
- If emergency repairs must be performed
elsewhere, have the vehicle examined by
an authorized Audi dealer as soon as
possible .
- The manufacturer cannot be held liable
for damage wh ich occ urs due to failure
to comply with these stipu lations.

322 Index
Alcantara Cleaning 247
All-wheel drive . ........... .... .... . 228
Winter tires
Alternator 288
Malfunction . . . . . . . . . . . . . . . . . . . . . . . 31
Ambience lighting Lighting profiles .......... .... .... .. 62
Anti-freeze
refer to Engine coolant system ....... 264
Anti-lock brake system ...... .. .. .. .. . 224
Warning/indicator lights . . . . . . . . . 16, 18
Anti-slip regulation ........ .. .. .... . 224
Warning/indicator lights ... .. .. .. .. .. 16
Anti-theft systems Anti-theft alarm system . . . . . . . . . . . . . SO
Electronic immobilizer ............. .. 40
Approach/departure angle . .. .. .. .. .. . 237
Ashtray . .. ... ............ .. .. .. .. .. 87
Asterisk What does it mean when something is
marked with an asterisk? . . . . . . . . . . . . . . 6
Audi braking guard ....... .. .. .. .. .. . 127
Error messages .............. .... . 128
Settings . . . . . . . . . . . . . . . . . . . . . . . . . 128
Status messages . . . . . . . . . . . . . . . . . . 128
Switching on and off ...... .. .. .. .. . 128
Audi Service Repair Manuals and Litera-
ture .. .. .. .. ............. .. .. .... . 316
Auto -Check Control . . . . . . . . . . . . . . . . . . 30
Automatic belt retractor ..... .... ... . 178
Automatic mode
Four-zone automatic comfort air condi-
tioning ........................... 99
Automatic Shift Lock (ASL) . . . . . . . . . . . 138
Automatic transmission ..... .. .. .... . 137
Automatic Shift Lock (ASL) . .. .. .. .. . 138
Driving .. ................. .. .... . 139
Emergency mode .......... ... .. .. . 141
Emergency release ......... ... .. .. . 141
Hill descent control ........... .. ... 140
Ignition key safety lock ...... .. .. .. . 105
Kick-down .. ... .......... .. .. .. .. . 141
Manual shift program ......... .. .. . 140
Selector lever .................... . 13 7
Shift buttons . . . . . . . . . . . . . . . . . . . . . 140 AUTO mode
A/C climate controls ............ ... . 95
Auto Safety Hotline ............. .... 171
Average speed . . . . . . . . . . . . . . . . . . . . . . . 24
Avoid damaging the vehicle ........ ... 234
B
Bass box
Battery .... .. .. .. .. ........... ... .
Battery location .. ................ .
Charging ...... .. .. ... ........... .
Important warnings when working on
the battery .... .. ............. ... . 295
268
269
270
269
Jump starting .. .. ... .......... .. .. 307
Low ..... ..... ............... .... 229
Replacing the battery .............. 272
State of charge ................... . 229
Voltage ... .... ................... . 35
Winter operation . ............. .... 268
Working on the battery .. .... ... .. .. 269
Before driving ..... ............. .... 164
Blended gasoline .. ................ . 249
Booster seats . . . . . . . . . . . . . . . . . . . . . . 212
Brake fluid
Changing the brake fluid ............ 268
Checking the brake fluid level ..... ... 267
Reservoir ... .. .. .. .............. . 267
What is the correct brake fluid level? .. 267
What should I do if the brake fluid warn-
ing light comes on? ...... ...... .. .. 267
Brake light Defective . . . . . . . . . . . . . . . . . . . . . . . . . 23
Brake system .... ... .............. .. 267
Anti-lock brake system . . . . . . . . . . . . . . 18
Brake assist system ................ 224
Brake booster .... ............. .... 226
Brake fluid . ..... ................ . 267
Brake fluid specifications for refill and re-
placement .... .. ............. .... 268
Brake pads .. .. .. ..... ........... . 232
General information .............. . 226
How does moisture or road salt affect the
brakes? . .. .. .. .. ............. .. .. 226
Malfunction . . . . . . . . . . . . . . . . . . . . . . . 32
Parking brake .. .. ... .......... .. .. 109
Warning/indicator lights ............. 19
Worn brake pads symbol . . . . . . . . . . . . . 36

Braking guard
re fer to Audi braking gua rd ... .. .. .. . 127
Break- in pe riod ............ .... .. ... 232
Brake pads . ............. .. .. .. ... 232
T ires .... .. .. ............. .. .. ... 232
Breakoverang le ............ ... ... .. 237
Bulbs ..... .. .. .. .. .. .... ... .. .. ... 305
B umper cover
C au tion when parking near a parking ba r-
rier or c urb ... .... .... ... .. .. .. ... 110
C
Ca lifo rnia Proposit io n 65 Wa rning .. .. . 258
B att ery specific .......... .. .. .. .. . 270
Capac it ies . . . . . . . . . . . . . . . . . . . . . . . . . 315
Car - Systems Ambience lighting ........ .. .. .. .. .. 62
Lighting prof iles .......... .. .. .. .. .. 62
Carbon parts Clean ing . . . . . . . . . . . . . . . . . . . . 246, 247
Care ...... ... ...... ............. .. 24 4
Cargo area
refer to Load ing the luggage compart-
ment .. .. .. .... ... .. ... ... .. .. .. . 170
Cargo floor . ... .... .... ... .. .. .. .... 83
Ca rgo net ...... .............. ... ... . 81
Cata lytic converter ......... .. .. .. .. . 233
Center armrest Cup holder . . . . . . . . . . . . . . . . . . . . . . . . 78
Storage compartment . . . . . . . . . . . . . . . 78
Cente r console in rear ....... .. .. .. .. .. 79
Centra l locking
Emergency locking ........ .. .. .. .. .. 45
Panoramic slid ing su nroof ...... . ... .. SS
Certification . . . . . . . . . . . . . . . . . . . . . . . 319
C hanging a flat tire ......... .. .. .. .. . 297
Changing a w heel .......... .. .. .. .. . 297
Changing engine o il ..... ... .. .. .. .. . 263
Chass is
refer to Adaptive Air Suspe nsion . lSS, 157
CHECK button ............. .... .. .... 12
C hec king
Eng ine coolant leve l .... ... .. .. .. .. . 265
Checking tire pressure ......... .... .. 279
Inde x 323
Child rest raints
Danger of using child restraints in the
f ront seat . . . . . . . . . . . . . . . . . . . . . . . . 185
Where can I get additional informat ion
about child restraints and the ir use? .. 223
Child rest rain t system anchors . ... .. .. 217
Child safety ....... .. ............... 204
Co nve rtib le loc kin g retractor ..... .. .. 214
G ui dance fixtures for lower ancho rages 219
Impo rtant sa fe ty inst ructions for using
c hi ld safety seats ... . .. ..... ... .. .. 207
Impo rtant t hings to know when driving
with children . ...... .. .. ..... ... .. 204
Installing a ch ild restra int using the
LATCH system .. .. ................. 220
Mounting and releasing the anchorage
hook . ...... .. .... .......... ..... 220
T ether anchors .... ............... . 221
T ether st raps .. .. .... ........... .. 221
Child safety lock rear doors (power) . . . . . . . . . . . . . . . . . . 48
Child safety seats .... . .. ..... ... .. .. 210
Booster seats . ..... . .. .. ..... ... .. 212
Convertib le child seats ............. 211
Convertib le locking retractor ....... .. 214
Danger of using child restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . . . 18S
How do I properly install a child safety
seat in my veh icle? ............. .... 20 7
Infan t seats . .. .. .... ............. 210
Installing . .. .. .. ............... .. 214
L ATCH system . ...... .. .. ..... ... .. 220
Safety instr uctions . .. .. ..... ... .. .. 207
Un used safety be lts on the rear seat 209
Child sea ts
L owe r anchorages .... ......... .. .. 218
Cleaning ......... .. ..... .......... 244
Climate control . ..... . .. .. ..... ... .. . 92
Synchroni zing .. ...... ............. . 93
Warm and co ld . .. ............. .. .. . 92
Climate controls Air conditioner on/off ... .... ... .. .. . 94
Air distrib ution ..... . .. ..... ... .. .. . 9S
Air out lets .. .. .. ................. . 97
Air out lets (rear) . ................. . 97
Air recircu lation .. .. ........... .... . 96
AUTO (standard sett ing) .. .. ... ... .. . 9S
Bas ic sett ings .. .. .. ..... .......... 100
•
•

Doors
Power child saf ety lock . ... .. .. .. .. ..
48
Dr iver information system ... .. .. .. .. .. 2 1
Di gita l speedomete r ...... .. .. .. .. .. 22
D river info rmation messages . . . . . . . . . 30
Open door or rear lid warning . . . . . . . . . 22
Outside temperature display . ... .. .. .. 22
Sound system display .. ... .. .. .. .. .. 2 1
D river seat
refer to Seat ing pos it ion ... .. .. .. .. . 165
Driver's seat . . . . . . . . . . . . . . . . . . . . . . . . 73
Driver's seat memory . . . . . . . . . . . . . . . . . 7 4
Activating remote control key . .. .. .. ..
75
Recall ing a seat posit ion . . . . . . . . . . . . . 7 4
Sto ring a seat position . . . . . . . . . . . . . . . 7 4
D riving messages . . . . . . . . . . . . . . . . . . . . 30
Driving mode
refer to Adaptive Air Suspe nsion . 155, 1 57
Driving offroad
Driving through water ......... ... .. 238
Driving tips .... ........... ... ... ..
237
Rule s of behav io r ............ .. .... 23 7
S and and m ud ........... .... .. .. . 238
Snow-covered groun d ..... .. .. .. .. .
238
Unpaved roads ........... .... .. ... 238
Dr iving safe ly .......... ...... .... ..
164
Driving through water ... ... .. .. .. .. . 238
D riving t ime . . . . . . . . . . . . . . . . . . . . . . . .
24
Duplicate key . . . . . . . . . . . . . . . . . . . . . . . 38
D ust filter
Climate controls . . . . . . . . . . . . . . . . . . . .
92
E
E asy en try featu re .. ..... ... .. .. .. .. . 104
Efficiency program . . . . . . . . . . . . . . . . . . . 26
Fue l economy messages . ...... ... ... 27
M emory levels . . . . . . . . . . . . . . . . . . . . . 25
Othe r equipmen t ......... .. .. .. .. .. 2 7
Electric seat adjustment
refer to Power seat . . . . . . . . . . . . . . . . . 73
Electro nic differential lock (EDL) . ... .. . 224
Warn ing/ indicator lights . . . . . . . . . 16, 18
Ele ctr onic immobili ze r ...... .. .. .. .. .. 40
Electronic power co ntrol
( E PC) wa rn ing/indicator light ... ... ...
15
Electronic speed limiter . . . . . . . . . . . . . . . 28
Inde x 325
Electronic Stabilization Cont ro l (E SC) ... 224
Hill descent contro l ..... .... ... .. .. 225 •
Offroad mode .. .. .. . .. ... .... ... .. 225 •
Warning/ind icator lights .......... .. . 16
Emerge ncy flashe r . . . . . . . . . . . . . . . . . . . 60
Wa rning/ind icator lights ..... ... .. .. . 16
Emergency locking of doors ............ 45
Emergency operation
Rear lid . .. .. .. .. .. ............... .
48
Emergency starting . .. .. ..... ... .. .. 3 0 7
Emerge ncy towing ... . .. .. .. ... ... .. 309
Energy management ... .. .... ... .. .. 229
Battery power . .. .... ........... .. 230
Driver notification ................. 230
Engine
Compartment .... .. . .. .. ..... ... ..
259
Coolant ... .. .... .. . .. .. ..... ... .. 264
Data ..... .. .. .. ... ............ .. 315
Hood ..... .. .. .. ................. 257
Start ing . . . . . . . . . . . . . . . . . . . . 105, 106
Starting with jumpe r cables ........ . 307
Stopping ........ .. ............... 106
Engine compartment
Safety instr uctions .. ........... .... 257
Work ing the eng ine compartment .. ..
257
Engine coolant system . .. ..... ... .. .. 264
Adding coo lant ..... . .. .. ..... ... .. 266
Checking coolant level .............. 265
Checking the engine coolant level ... .. 265
Malfunction . . . . . . . . . . . . . . . . . . . . . . . 32
Radiator fan ..... .. ............... 267
Engine coolant temperature
Temperat ure gauge ............ .... .
10
Engine hood
Closing ... .. .... .. . .. .. ..... ... ..
2 57
How to re lease the hood ..... ... .. .. 257
Engine o il ..... ... .. ............... 259
Adding ... .. .. .. ............... .. 263
Addi tives .... .. ...... ........... ..
2 63
Changi ng ... .. .... .. ... ..... ... .. 263
Checking the engine oil leve l .. ... .. ..
262
Consumption . ..... . .. .. ..... ... .. 261
Ind ications and conditions requir ing ex-
tra checking . .. .. ............... ..
262
Oil grades . .. .. .. ................. 259
Recommended oil check intervals . .. .. 262
Spec ificat io n and viscosity .......... . 259