check engine AUDI A7 2018 Owner's Guide

Consum er Info rmation
scope of maintenance and repairs which can be
carried out by vehicle owners.
Al so , sa fet y and
en vironment al
concerns place very strict limits
on the nature of repairs and ad justments to en­
g ine and transmission parts wh ich 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 i n order to assure proper per ­
formance, reliab ility and safety of the veh icle and
its many systems .
Improper maintenance, adjustments and repairs
can impair the operation and reliab ility of your
veh icle and eve n void your vehicle warranty .
Therefo re, proof of servicing in accordance w ith
the ma intenance sc hedule may be a condition fo r
up hold ing a possible wa rra nty claim made wi thin
the warranty pe riod.
Above all , operational safety can be adversely af­
fected, c reating unnecessa ry risks fo r you and
your p assengers.
If in doubt about any servicing, have it done by
your author ized Audi dealer or any other properly
eq uipped and qualified workshop . We strongly
urge yo u to g ive your author ized Audi dealer the
opportu nity to pe rform a ll scheduled ma inte ­
nance and necessary repairs. Your dealer has the
facilities, origina l parts and train ed sp ecialists to
keep your veh icle running properly.
Performing limited maint enance yourself
The fo llow ing pages describe a limited number of
procedures w hich can be performed on your ve hi­
cle with ordinary tools, should the need arise and
trained personne l be unavai lable . Before pe r­
forming any of these procedures, always thor­
ough ly read a ll of the app licab le text and carefu l­
ly follow the instructions g iven . A lways rigorously
observe the
WARNING S provided .
Before you check anything in the engine com ­
partment , alw ays read a nd heed all WARNINGS
c> .&. and c> .&. in Working in the engine compart­
ment on page 193 .
256
A WARNING
- Ser ious personal in jury may occur as a result
of imp roperly 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 proce dures with respect to t he ve­
hicle, or are uncertain how to proceed.
- Do not do any work wi thout the prope r tools
an d equi pmen t. H ave the necessary wo rk
done by your authorized Au di 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 . The radiato r fan switches on au­
tomatically when the coolan t reaches a cer­
tain tempe rature and w ill cont inue to run
until the coolant temperature d rops.
- Always sw itch off the ignition before anyone
gets under the vehicle.
- Always support your vehicle with safety
stands if it is necessary to work underneath
the vehicle. The jack supp lied with the veh i­
cle is no t adequate fo r th is pu rpose a nd
could collapse causing serious personal in­
jury .
- If you must wor k unde rneath the vehicle
w ith the wheels on the g round, 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 pa rk b rake is applied .
Ill>

a co .... N
" N .... 0 00 \.J ' @ 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 193.
@ 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.
257

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" N .... 0 00 \,;J ' Child restraints Danger of using child restraints in the front
seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Where can I get additional information
about child restraints and their use? . . . . 188
Child restraint system anchors . . . . . . . . . . 184
Ch ild safety . . . . . . . . . . . . . . . . . . . . . . . . . . 170
I mportant safety instructions for using chi ld
safety seats . . . . . . . . . . . . . . . . . . . . . . . . 17 4
I mportant things to know when driving with
children . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Tether anchors . . . . . . . . . . . . . . . . . . . . . . 187
T eth er straps . . . . . . . . . . . . . . . . . . . . . . . 187
Ch ild safety lock
Power windows . . . . . . . . . . . . . . . . . . . . . . 35
Rear doors . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Child safety seats .................. .. . 176
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 180
Convertible ch ild seats . . . . . . . . . . . . . . . 178
Convertible locking retractor . . . . . . . . . . 183
H ow do I properly install a child safety seat
. h' l
7 174 in my ve ,c e . ................. ..... .
Infant seats . ................. ..... . 176
Installing a child restr aint using the LATCH
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
LA TCH system . . . . . . . . . . . . . . . . . . . . . . 186
Lower anchorages . . . . . . . . . . . . . . . . . . . 185
Mounting and releasing the anchorage
h ook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Safety instructions . . . . . . . . . . . . . . . . . . . 17 4
Secur ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Unused safety belts on the rear seat . . . . 176
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . 51
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
C leaning/remov ing ice from windows . . . . . 230
Cleaning Alcantara ................. .. . 231
C leaning artificia l leather......... ..... . 231
C leaning carbon parts ........ .. .. . 230 ,231
Cleaning controls . . . . . . . . . . . . . . . . . . . . . 230
C leaning decorative parts/trim . . . . . . . . . . 230
Cleaning displays . . . . . . . . . . . . . . . . . . . . . 230
Cleaning exhaust tail pip es . . . . . . . . . . . . . 229
C leaning plastic parts . . . . . . . . . . . . . . . . . . 230
Cleaning rims . . . . . . . . . . . . . . . . . . . . . . . . 229
C leaning textiles ................ ..... . 231
Index
Climate contro l system . . . . . . . . . . . . . . . . . 58
Automatic recirculation . . . . . . . . . . . . . . . . 62
Basic settings . . . . . . . . . . . . . . . . . . . . . . . . 62
Drive select . . . . . . . . . . . . . . . . . . . . . . . . . 105
Closing Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Sunroof. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Closing/ opening
By remote control . . . . . . . . . . . . . . . . . . . . 29
Using the door lock cylinder . . . . . . . . . . . . 31
With the convenience key . . . . . . . . . . . . . . 29
Closing a id (doors) . . . . . . . . . . . . . . . . . . . . . 26
Cockpit (overview) . . . . . . . . . . . . . . . . . . . . . . 6
Coming home . . . . . . . . . . . . . . . . . . . . . . . . . 41
Compartments . . . . . . . . . . . . . . . . . . . . . . . . 52
Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Consumer Information . . . . . . . . . . . . . 136, 255
Consumption (fuel) . . . . . . . . . . . . . . . . . . . . 21
Contacting NHTSA . . . . . . . . . . . . . . . . . . . . 136
Convenience key Start ing the engine (STAR T ENGINE S TOP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Stopping the engine (STAR T ENG INE ST OP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Switching the ignition on . . . . . . . . . . . . . . 68
Unlocking/locking . . . . . . . . . . . . . . . . . . . . 29
Convenience opening . . . . . . . . . . . . . . . . . . . 36
Convertible child safety seats . . . . . . . . . . . 178
Convertible locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Deactivating . . . . . . . . . . . . . . . . . . . . . . . . 184
Using to secure a child safety seat . . . . . . 183
Cooling down . . . . . . . . . . . . . . . . . . . . . . . . . 64
Cooling mode (4-zone deluxe automatic cli-
mate contro l) . . . . . . . . . . . . . . . . . . . . . . . . . 61
Cooling mode (deluxe automatic climate con-
trol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Cooling system Adding coolant . . . . . . . . . . . . . . . . . . . . . . 200
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Coolant level checking . . . . . . . . . . . . . . . . 200
Coolant temperature indicator . . . . . . . . . . . 9
I ndicator light . . . . . . . . . . . . . . . . . . . . . . . 1 4
Cornering light . . . . . . . . . . . . . . . . . . . . . . . 105
Crossing water . . . . . . . . . . . . . . . . . . . . . . . . 64
261

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" N .... 0 00 \,;J ' Engine compartment
Opening/closing the hood . . . . . . . . . . . . .
195
Overview ..... ................ ..... . 196
Safety precautions . . . . . . . . . . . . . . . . . . . 193
Engine control (ind icator light) . . . . . . . . . . . 17
Engine oil Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . .
196
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Checking oil level . . . . . . . . . . . . . . . . . . . . 196
Consumption . . . . . . . . . . . . . . . . . . . . . . . 196
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 15
Temperature indicator . . . . . . . . . . . . . . . . . 23
En gin e sound . . . . . . . . . . . . . . . . . . . . . . . . 105
Engine speed limitation (indicator light) 17
Engine Start/Stop mode
refer to Start/Stop system . . . . . . . . . . . . . 72
Engine warm-up request
I ndicator light . . . . . . . . . . . . . . . . . . . . . . . 17
Environment Proper disposal of drained engine oil . . . .
198
Unleaded gasoline . . . . . . . . . . . . . . . . . . . 189
EPC (engine control) . . . . . . . . . . . . . . . . . . . . 17
E SC
Automatic post-collision braking system . 120
also refer to Electronic stabilization con-
tro l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120
ESP
refer to Electronic stabilization control . . 120
Event Data Recorder (EDR) . . . . . . . . . . . . . 127
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . .
39
Exterior mirrors
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
Dimming . .. .. ............... .. .. .. .. 43
Heating .. .. .. ............. .. .. .. .. .. 43
Exterior temperature display . . . . . . . . . . . . . 20
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 180
Convertible child safety seats . . . . . . . . . . 178
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 176
Federa l Communications Commission (FCC)
258
Fl oor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Folding the rear seats . . . . . . . . . . . . . . . . . . . 54
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Index
For the sake of the environment
Environmentally-friend ly driving . . . . . . . .
65
Fueling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Leaks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Warming up the engine . . . . . . . . . . . . . . . . 68
Freeze protection
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . .
199
Front airbags
Description . . . . . . . . . . . . . . . . . . . . . . . . .
150
How they work . . . . . . . . . . . . . . . . . . . . . . 156
Frontal collisions and the laws of physics . . 139
Front center armrest . . . . . . . . . . . . . . . . . . . 48
Front seats
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . .
131
Child restraints in the front seat . . . . . . . . 14 7
also refer to Seats . . . . . . . . . . . . . . . . . . . . 47
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
189
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Blended gasoline . . . . . . . . . . . . . . . . . . . . 189
Current consumption . . . . . . . . . . . . . . . . . . 21
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . .
9, 10
Fuel tank capacity . . . . . . . . . . . . . . . . . . . 254
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Gasoline additives . . . . . . . . . . . . . . . . . . .
190
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 17
Saving fuel . . . . . . . . . . . . . . . . . . . . . .
65, 105
Fueling
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . .
10
Fuel tank capacity . . . . . . . . . . . . . . . . . . . 254
Opening the fuel filler door . . . . . . . . . . . . 190
Fuses
Assignment . . . . . . . . . . . . . . . . . . . . . . . . 244
Replacing . . . . . . . . . . . . . . . . . . . . . . . . . .
243
G
Garage door opener (Homelink) . . . . . . . . . . 37
Garment hook . . . . . . . . . . . . . . . . . . . . . . . . .
53
Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 189
Recommendation . . . . . . . . . . . . . . . . . . . . 189
GAWR
refer to Gross Axle Weight Rating (GAWR) 254
Glasses holder . . . . . . . . . . . . . . . . . . . . . . . . 53
Glossary of tire and loading terminology . . 208
Glove compartment . . . . . . . . . . . . . . . . . . . . 53
cooled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
263