2018 AUDI S3 SEDAN coolant level

Checking and Filling
Coolan t loss usu ally indicates there is a leak. Im ­
m ed iately drive your v ehicle to an authorized
Aud i dea ler or authorized Aud i Serv ice Facility
and have the cooling system inspected. If the
coo ling system is not leaking, a loss can come
from the coolant boiling through overheating
and be ing pushed out of the cool ing system.
.&_ WARNING
- The coo ling system is under pressure . Do
not open the coolant expans ion tank cap
when the eng ine is ho t. This inc reases the
risk of burns .
- T he coo lant add itive and the coolant can be
d angerous to your healt h. For this reason,
keep the coolant in the origina l container
and away from children . There is a risk of
poisoning .
- When working in the engine compartment,
remember that the rad iator fan can switch
on even if the ign ition is switched off, which
increases the risk of in jury .
-
CD Note
Do not add coolant if the expansion tank is
empty . Air could enter the cooling system and
damage the engine. If this is the case , do not
cont inue driving. See an authorized Audi deal­
er or author ized Audi Service Facility for assis­
tance .
Brake fluid
Fig. 271 Eng in e co mpar tment : cap on b rake flu id r eservo ir
O bserve the safety precautions ¢ page 318,
Working in the engine compartment .
326
Checking the brake fluid level
Read the b rake fluid level on the br ake fluid res­
ervoir ¢ page 321, fig . 267. The brake f lu id leve l
must be between the MIN and MAX markings
¢ ,& .
The brake f lu id leve l is monito red automa tically .
Changing the brake fluid
Have the brake fluid changed regularly by an au ­
thorized Aud i dea ler or authorized Audi Service
Facility.
.&_ WARNING
- I f the b rake fl uid leve l is below the MIN
marking, i t can impair the bra king effec t
and driving safety, wh ich increase the r isk o f
an accident. Do not continue driving . See an
authorized A udi dealer or authorized A udi
Serv ice Facility fo r ass istance.
- If the brake fl uid is old, b ubbles may form
in the brake system dur ing heavy braking.
This would impair braking performance and
driving safety, which increases the risk of an
accident .
- To ensure the brake system functions cor­
rectly, only use brake fluids that comp ly
w ith VW standard S0 l 14 or
FMVSS- 116 DOT 4 .
CD Note
-If the brake f luid level is above the MAX
marking, brake fluid may leak o ut over the
edge of the reservoi r and result in damage
to the vehicle .
- Do not ge t any brake fl uid on the vehicle
pai nt, b ecause it w ill co rrode the paint .
Battery
General warnings about batteries
Because of t he comp lex power supp ly, all work
on batter ies such as d isconnecting, replacing ,
etc., shou ld
only be pe rformed by an authori zed
Audi dealer or authorized A udi Service Fac ility
¢ _& . ~

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> page 318 .
384
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 . The radiato r fan switches on au­
tomatically when the coolant 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 and
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>

u. 00 .-< N l'­ N .-< 0 N > 00
Driving time ... ... .. ..... ... .. .. ... 17 , 18
Dust filter
refer to Pollutant filte r . . . . . . . . . . . . . . . . 68
DVD dr ive (media dr ives) 224
Dynamic vo lume
refer to System vo lume . . . . . . . . . . . . . . . 248
E
E-ma il 184
e-tron
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 217
also refer to P lug-in hyb rid dr ive . . . . . . . . 92
eco mode (automatic climate control system) .69
E conomical route . . . . . . . . . . . . . . . . . . . . . 208
E ff iciency program . . . . . . . . . . . . . . . . . . . . . 1 9
Electric drive . . . . . . . . . . . . . . . . . . . . . . . . . . 92
E le ct ric range . . . . . . . . . . . . . . . . . . . . . . . . 217
Electromechanical parking brake . . . . . . . . . 81
Electromechanica l steering . . . . . . . . . . . . . 15 1
Elect ronic D ifferent ial Lock (EDL) . . . . . . . . 148
Electronic immob ilizer . . . . . . . . . . . . . . . . . . 32
E lect ronic S tabili zation Control ( ESC) . . . . . 148
Emergency assistance . . . . . . . . . . . . . . . . . 360
Emergency braking function . . . . . . . . . . . . . 82
E me rgency flashe rs . . . . . . . . . . . . . . . . . . . . S 1
Emergency operat ion
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . 317
Emergency starting .. ..... ... .. .. .... . 375
E m iss ions cont rol system . . . . . . . . . . . . . . 317
Energy consumers . . . . . . . . . . . . . . . . . . . . . 18
E ne rgy management . . . . . . . . . . . . . . . . . . 152
E ng ine
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Ju mp starting . . . . . . . . . . . . . . . . . . . . . . . 375
Ju mp s tarting (plug -in hyb rid drive) . . . . . 102
M essages . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Start/Stop system . . . . . . . . . . . . . . . . . . . . 79
Starting/stopping (button) . . . . . . . . . . . . . 76
Starting/stopping (key) . . . . . . . . . . . . . . . . 7 S
Warm ing up/coo ling down . . . . . . . . . . . . . 72
E ng ine compartmen t
Opening/closing the hood . . . . . . . . . . . . . 320
Overview ..... ... .. ..... ... .. .. .... . 32 1
Safety preca utions . . . . . . . . . . . . . . . . . . . 3 18
E ng ine data
refer to Spo rt displays . . . . . . . . . . . . . . . . . 20
Ind ex
Engine oi l
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Chang ing . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Checking oil level . . . . . . . . . . . . . . . . . . . . 321
Consumption . . . . . . . . . . . . . . . . . . . . . . . 321
Dipst ick .... ... .. .. ................ . 321
Oil change interval . . . . . . . . . . . . . . . . . . . 328
T emperature display . . . . . . . . . . . . . . . . . . 19
Enhanced view . . . . . . . . . . . . . . . . . . . . . . . . 14
Ente ring characte rs/numbers (speller) . . . . 161
Entering letters (speller) . . . . . . . . . . . . . . . 161
Entertainment sliding menu . . . . . . . . . . . . 159
E nt ry/ exit lig hting . . . . . . . . . . . . . . . . . . . . . S 1
Entry assistance
refer to Seats . . . . . . . . . . . . . . . . . . . . . . . . 60
Environment Proper disposa l of drained engine oil . . . . 324
U nleaded gasoline . . . . . . . . . . . . . . . . . . . 314
E SC
refer to Electronic Stabilization
Control (ESC) . . . . . . . . . . . . . . . . . . . . . . . 148
E vent Data Reco rder ( EDR) . . . . . . . . . . . . . 152
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 49
E xterior mirrors . . . . . . . . . . . . . . . . . . . . . . . 53
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Folding settings . . . . . . . . . . . . . . . . . . . . . . 35
Ex terna l voice ope ra tion . . . . . . . . . . . . . . . . 175
F
Factory default sett ings
Mult i Media Interface . . . . . . . . . . . . . . . . 244
Fader (sound) . . . . . . . . . . . . . . . . . . . . . . . . 24 7
F astening
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 304
Convertib le child safety seats . . . . . . . . . . 302
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 300
Fast forwarding/rewind ing (a udio/video
f ile) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Fast forwarding (aud io/video file) . . . . . . . . 232
Fast route 208
Favor ites
Med ia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Nav iga tion . . . . . . . . . . . . . . . . . . . . . . . . . 203
T elep hone . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Federal Commun ications Comm iss ion (FCC) 386
File formats (med ia drives) . . . . . . . . . . . . . 237
391