2016 AUDI A8 radiator

(D Note
-The concentration of anti-freezing agent
must be adjusted to the vehicle operating
conditions in the respective climate. A con­
centration that is too high can lead to vehi­
cle damage .
- Never add radiator anti-freeze or other addi­
tives to the washer fluid .
- Do not use a glass cleaner that contains paint solvents, because this could damage
the paint.
Checking and Filling
235

Consumer inf orm ation
today's a utomo biles, have steadily re duced the
scope of maintenance and repairs whic h can be
carried out by veh icle owners.
Also , sa fet y and
en vironmental
concerns place very strict limits
on the nature of repairs and adjustmen ts 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 in order to assure proper per­
forma nce, re liability and safety of the veh icle and
its many systems .
Improper maintenance, adjustments and repairs
can impair the operation and reliab ility of your
ve hicle and eve n void your vehicle warranty .
Therefo re, proof of se rvicing in a ccordance w ith
the m aintenance sched ule may be a condition for
up ho ld ing a possible wa rranty claim made within
the wa rranty pe riod.
Above all , ope rational safety can be adversely af­
fected, cre ating unne cessa 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 properly
eq uipped and qualified workshop . We strongly
urge you to g ive your author ized Audi dealer the
opportunity to perform a ll scheduled mainte ­
nance and necessa ry repairs. Your dealer has the
facilities, origina l parts and tra ined specialists to
keep your veh icle runn ing properly.
P e rforming limited maintenance yourself
The fo llow ing pages describe a limited number of
procedures whic h can be performed on your vehi­
cle with ordinary tools, should th e 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 . A lways rigorously
observe the
WARNINGS prov ided .
Befo re yo u check anything in the engine com ­
partment, always read and heed all WARNINGS
c::> & and c::> & in Working in the engine compart­
ment on page 220 .
282
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 mainte nance,
checks or repairs described on the following pages if you are no t fu lly fam iliar with these
or other proce dures with respect to the ve­
hicle, o r are uncert ain how to p ro ceed.
- Do not do any work wi thout the prope r tools
a nd equi pmen t. H ave the necess ary 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 a rea around or touch the radi­
ator fan. It is temperature controlled and
can switch on suddenly - even when the en­
gine is off . The radiator fan switches o n au­
tomatically when the coolan t reaches a cer­
tain tempe ra ture an d w ill cont inue to run
until the coolant tem pe rature 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 wi th the veh i­
cle is no t adequate fo r thi s 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 t he g roun d, always make
sure the vehicle is on level ground, that the
wheels are 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 brake is ap-
plied.
~

Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Starting with jumper cables . . . . . . . . . . . 271
Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
E ng ine compartment . . . . . . . . . . . . . . . . . . 222
C losing the hood . . . . . . . . . . . . . . . . . . . . 221
Opening the hood . . . . . . . . . . . . . . . . . . . 220
Safety instructions . . . . . . . . . . . . . . . . . . . 220
Working in the engine compartment . . . . 220
E ng ine coolant . . . . . . . . . . . . . . . . . . . . . . . 227
Adding coolant . . . . . . . . . . . . . . . . . . . . . . 228
Checking the engine coolant level. . . . . . . 227
Expansion tank . . . . . . . . . . . . . . . . . . . . . . 227
Radiator fan . . . . . . . . . . . . . . . . . . . . . . . . 229
Temperature gauge . . . . . . . . . . . . . . . . . . . 10
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Adding . ... .. ................ ..... . 225
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Checking oil level . . . . . . . . . . . . . . . . . . . . 225
Checking the engine oil level . . . . . . . . . . . 224
Consumption . . . . . . . . . . . . . . . . . . . . . . . 225
Indications and conditions requiring extra
checking . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 17
O il consumption . . . . . . . . . . . . . . . . . . . . . 223
Pressure malfunction . . . . . . . . . . . . . . . . . 16
Recommended oil check intervals . . . . . . . 224
Sensor defective . . . . . . . . . . . . . . . . . . . . . . 21
Specification and viscosity . . . . . . . . . . . . . 223
E ng ine sound . . . . . . . . . . . . . . . . . . . . . . . . 106
Engine speed limitation . . . . . . . . . . . . . . . . . 20
Engine start-stop mode
r e fer to Start-Stop-System . . . . . . . . . . . . . 87
E ntry assistance . . . . . . . . . . . . . . . . . . . . . . . 64
Environment Catalytic converter . . . . . . . . . . . . . . . . . . . 197
Diesel particulate filter . . . . . . . . . . . . . . . 198
Disposing of your vehicle battery ...... . 234
Driving at high speeds . . . . . . . . . . . . . . . . 200
Fuel. .. .. .. .. .. ............. .. .. .. . 214
L eaks under your vehicle . . . . . . . . . . . . . . 220
Letting the vehicle stand and warm up . . . 200
Proper disposal of drained brake fluid . . . 230
Proper disposal of drained engine coolant 228
Proper disposal of drained engine oi l 225, 226
Recycling used engine oil . . . . . . . . . . . . . 225
Unleaded fuel . . . . . . . . . . . . . . . . . . . . . . . 212
What should I do with an old battery? . . . 234
Index
EPC
refer to Electronic power control (EPC) . . . 19
ESC Automatic post-collision braking system . 191
also refer to Electronic Stabilization Control
(ESC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Event Data Recorder (EDR) . . . . . . . . . . . . . 189
Exhaust tail pipes Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Expansion tank . . . . . . . . . . . . . . . . . . . . . . . 227
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 46
Exterior mirrors Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Dimming .. .. .. . ... ............... .. . 52
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Exterior temperature display . . . . . . . . . . . . . 23
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 176
Convertible child safety seats . . . . . . . . . . 17 4
Infant seats ... .. .. ................. 173
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Folding table . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 134
For the sake of the environment
Environmentally-friendly driving . . . . . . . 199
Gasoline fumes and the env ironment.. .. 214
Reducing engine noise by early upshifting . 10
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Saving fuel by early upshifting . . . . . . . . . . 10
Four zone automat ic climate control . . . . . . 77
Front airbags Description . . . . . . . . . . . . . . . . . . . . . . . . . 1 SO
How they work . . . . . . . . . . . . . . . . . . . . . . 154
Frontal collisions and the laws of physics . . 139
Front passenger seat adjustment . . . . . . . . . 64
Front seats Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Child restraints in the front seat . . . . . . . . 147
Fuel Additives.. .. .. .. .. ............... .. 212
Blended gasoline . . . . . . . . . . . . . . . . . . . . 212
Current consumption . . . . . . . . . . . . . . . . . . 24
Economy messages (efficiency program) . . 25
Fuel filler flap emergency release ..... .. 216
289

Prewarming . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Proper occupant seating positions . . . . . . . 130
Proper safety belt position . . . . . . . . . . . . . . 142
Proper seating position
Fr ont passenger . . . . . . . . . . . . . . . . . . . . . 131
Occupants . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Rear passengers . . . . . . . . . . . . . . . . . . . . . 132
Protecting 208
Q
quattro
refer to All Wheel Drive . . . . . . . . . . . . . . . 195
Question What happens to unbelted occupants? 139
R
Radiator fan . . . . . . . . . . . . . . . . . . . . . . . . . 229
Radio clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Rain/light sensor Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Intermittent (windshield wipers) . . . . . . . . 54
Sensor defective . . . . . . . . . . . . . . . . . . . . . . 22
Raising the vehicle . . . . . . . . . . . . . . . . . . . . 275
Range (fuel level) . . . . . . . . . . . . . . . . . . . . . . 24
Reading lights . . . . . . . . . . . . . . . . . . . . . . . . . 50
Rearfoglights . .. ............. .. .. .. .. 46
Rear lid Escape hand le . . . . . . . . . . . . . . . . . . . . . . 256
Rear light Defective . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Rear seats Adjusting individual seats . . . . . . . . . . . . . . 61
Entry assistance . . . . . . . . . . . . . . . . . . . . . . 64
Front passenger seat adjustment . . . . . . . . 64
Reclining rear seat . . . . . . . . . . . . . . . . . . . . 61
Rear view mirror . . . . . . . . . . . . . . . . . . . . . . . 52
Rear window heating . . . . . . . . . . . . . . . . . . . 78
Recirculation mode (automatic climate con-
trol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Reclining rear seat . . . . . . . . . . . . . . . . . . . . . 61
Recuperation . . . . . . . . . . . . . . . . . . . . . . . . . 24
Refilling AdBlue With bottle. .. ................ .... .. 218
With canister . . . . . . . . . . . . . . . . . . . . . . . 218
Index
Refrigerator
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Remote control Garage door opener (Homelink) . . . . . . . . . 44
Massage function . . . . . . . . . . . . . . . . . . . . . 63
Unlocking and locking . . . . . . . . . . . . . . . . . 33
Remote luggage compartment lid release . . 36
Repair manuals . . . . . . . . . . . . . . . . . . . . . . . 281
Repairs Airbag system . . . . . . . . . . . . . . . . . . . . . . 159
R eplacing
Light bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 270
Windshield wiper blades . . . . . . . . . . . . . . . 55
Reporting Safety Defects ........... 136, 137
Request to warm engine by driving Warn ing/ indicator lights . . . . . . . . . . . . . . . 21
Reset button . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Rims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Loading........... ................. . 71
Roof weight . . . . . . . . . . . . . . . . . . . . . . . . . 71
s
SAFE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Safe driving habits . . . . . . . . . . . . . . . . . . . . 129
Safety Airbag system . . . . . . . . . . . . . . . . . . . . . . 146
Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Correct seating posit ion . . . . . . . . . . . . . . 130
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Safety belt position . . . . . . . . . . . . . . . . . . . 142
Safety belts worn by pregnant women . . . 143
Safety belt pretensioner
Service and disposal . . . . . . . . . . . . . . . . . . 145
Safety belt pretensioners Pre sense . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Safety belts . . . . . . . . . . . . . . . . . . . . . . 138, 141
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Danger to passengers who do not wear a
safety belt . . . . . . . . . . . . . . . . . . . . . . . . . 139
293