2015 AUDI S8 check oil

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Instrument s and warnin g/indic ator ligh ts 11
gauge turn on under normal d riving condi ­
tions . The LEDs higher up may turn on when
the eng ine is under heavy load or the exter ior
temperature is high . This is no need to worry
as long as the. warning light in the instru­
ment cluster does not illuminate . If the LEDs
in the upper area of the display and the ind ica­
tor light . in the instrument cluster d isplay
turn on, the coolant temperature is too high
¢page 15.
A WARNING
-Always observe the warning in
~ page 228, Working in the engine
compartment,
before opening the hood
and checking the engine coolant level.
- Never open the engine hood if you see or
hear steam, or if you see engine coolant
dr ipping from the engine compartment.
You could burn yourself. Let the engine
cool off first so that you cannot hear or
see any steam or engine coolant.
(D Note
- Mo unt ing additional lights or accessories
in front of the a ir inlets reduces the cool­
i ng effect of the rad iator . At h igh outside
temperatures or high eng ine load, the
engine co uld overheat.
- The front spo ile r has been designed to
properly distrib ute the cooling air when
the veh icle is moving. If the spoiler is
damaged, this cou ld red uce the cooling
effect and t he engine co uld the n over­
heat . Ask you r aut ho rized Aud i dea le r for
ass istance.
Tachometer (engine rev counter)
The tachometer indicates the engine RPM
(revolutions per minutes).
If engine R PM drops be low 1,500, you should
downshift to the next lower gear. The red a rea
at the end of the sca le ind icates maxim um
perm iss ible engine RPM after the break-in pe­
riod. Before reaching th is area, move these­
lector lever to position "D (Drive)" or ease
your foot off the accelerator pedal.
@ Note
The tachometer need le should only briefly
be in the red zone: yo u could damage your
engine! The beg inning of the red zone var ­
i es dependi ng on the engine.
@ For the sake of the environment
Upsh ifting early saves fuel and reduces en ­
gine noise.
Fuel gauge
The fuel gauge only works when the ignition is
o n.
If the fue l level drops below 4 gallons (15
l ite rs), the bottom LE D tu rns red and the indi­
cator light
tD turns on¢ page 21. The bot­
tom LED b link s red when the fue l level is very
l ow .
The possible range based on the current fuel
level is shown in tab@~
page 23, fig. 4.
(D Note
Never run the ta nk complet ely dry. An ir­
regular supply of f uel can cause engine
misfiring and fuel cou ld enter the exha ust
system. The cata lytic converter could t hen
overheat and be damaged.
Warning/indicator lights
Description
T he ind ic a tor lights in the ins trument clus ter
blink or tur n on. They indica te fu nct ions or
malfunctions ¢
,&.
Messages may appea r with some indicato r
li ghts. A warning signal will sound at the
same t ime. The indica tor lights an d messages
in the center of the displays may be rep laced
by other disp lays. To show t hem again, select
the tab for ind icator lights and messages us­
ing the multifunction steering whee l
¢
page 23. If there are several malfunc­
tions, you can display them one at a time us- ing the thumbwheel. ..,.

12 Instruments and warning/indicator lights
Some indicators lights in the disp lay can turn
on in several colors.
A WARNING
- Failure to heed warning lights and other
important vehicle information may result
in serious personal injury or vehicle dam­
age.
- Whenever stalled or stopped for repair,
move the vehicle a safe distance off the
road, stop the engine, and turn on the
emergency flasher
c::> page 47.
-The engine compartment of any motor
vehicle is a potentially hazardous area.
Before you check anything in the engine
compartment, stop the engine and let it
cool down. Always exercise extreme cau­
t ion when work ing under the hood
c::> page 228, Working in the engine
compartment
Overview
Some indicator lights turn on briefly to check
the function of that system when you switch
the ignition on. These systems are marked
with an,/ in the following tables . If one of
these ind icator lights does not turn on, there
is a malfunction in that system .
Red indicator lights
-------------
US A models :
Brake malfunction ./
c::>page 14
Canada models:
Brake malfunction ./
c::>page 14
USA models :
Electromechanical parking brake
c::>page 15
Canada models:
Electrome chanical parking brake
c::>page 15
Engine cool ing system
c::>page 15
Engine oil pressure
c::>page 17
Engine oil level
c::> page 17
Battery
c:>page 16
Engine stops whi le driving
c::> page 16
Safety belt
c::>page 17
Electromechan ical steering./
c::> page 201
Electronic steer ing column lock
c::> page 17
Engine start system
c::> page 17
USA models : Speed warning sys ­
tem
c::> page 90
Canada models: Speed warning
system
c::> page 90
Adaptive cruise control./
~page 94
Air suspension*
c::> page 18
Night vision ass istant*
c::> page 111
Night vision ass istant*
c::> page 111
Refill Ad Blue*
c::> page225
AdB lue malfunction*
c::> page 225
Yellow indicator lights
-------------US A models: Safety systems
c::>page 18
Canada models : Safety systems
c::> page 18
Electronic Stabilization Control
(ESC) ./
c::> page 18
Electronic Stabilization Control
(ESC) ./
c::> page 18 .,..

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Instruments and warning/indicator lights 17
t Safety belts
This warning/indicator light reminds you to
put on your safety belt.
The. warning/ind icator light illuminates
when the ignition is switched on to rem ind
the dr iver and any front passenger to put on
the safety belt. Add itionally, an acoustic warn­
ing (gong) will also sound.
For more Information
c:> page 143, ~ Safety
belt warning light .
~ Engine oil pressure malfunction
The red engine oil pressure warning symbol
requires immediate service or repair . Driving
with a low-oil-pressure indication is likely to
inflict severe damage to the engine.
• Switch off engine and check oil level
If the indicator light turns on and the mes­
sage appears, the oil pressure is too low.
.. Pull
off the road.
.. Stop the vehicle .
.. Turn
off the engine.
.. Check the engine oil level c:> page 233.
.,. If the engine oil level is too low, add engine
o il
c:> page 234. Make sure that the oil pres­
sure warning symbol. appears no longer
in the display before you start driving again.
.,. If the engine oil level is correct and the indi­
cator light still turns on, turn the engine
off
and do not continue driving. Seek professio­
nal assistance.
(D Tips
- The engine oil pressure symbol. is
not an indicator for a low engine oil lev­
el. Do not rely on it. Instead, check the
oil level in your engine at regular inter­
vals, preferably each time you refuel,
and always before going on a long trip.
- The yellow oil level warning indication
1111 requires oil refill or workshop serv­
ice without delay. Do not wait until the
red oil pressure warning. starts to
flash before you respond to the low oil level warning
Ill. By then,
your engine
may already have suffered serious dam­
age.
~~ Engine oil level
• WARNING: Please add oil immediately
If the indicator light and the driver message
appear, add engine oi l immediate ly
c:> page 231.
1111 Add oil, max. x qt (l). You may continue
driving
When the symbol and the driver message ap­
pear, add the amount of oil appearing in the
display at the next opportunity
c:> page 231.
@I-Steering column lock
• Do not drive vehicle: Steering defective
If the indicator light turns on and the mes­
sage appears, there is an electronic stee ring
column lock malfunction . You cannot switch
the ignition on .
Do not tow your vehicle because it cannot be
steered. Seek professiona l assistance .
1\1 Steering lock : system fault. Please con­
tact dealer
If the indicator light turns on and the mes­
sage appears, there is an electronic steering
column lock malfunct ion .
Drive to your authorized Audi dealer immedi­
ately to have the malfunction corrected .
A WARNING
Your vehicle must not be towed in the
event of a malfunction in the electronic
steering column lock because it cannot be
steered due to the locked steering. If it is
towed with the steering locked, there is
the r isk of an accident.
©-Engine start system
• Engine start system fault . Please contact
dealer ..,.

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Instruments and warning/indicator lights 21
switched on and will turn off after the engine
has started and has sett led at a constant idle
speed . This ind icates that the MIL is working
properly .
The warning light illuminates when there is a
malfunction in the engine e lectronic system .
Contact your author ized Audi dealer and have
the malfunction corrected .
An improperly closed fuel filler cap may also
cause the MIL light to illuminate
¢page 223.
For mo re in format ion ¢ page 29.
~. Diesel particulate filter clogged
Appl ies to vehicles: with d iesel e ngine and diese l pa rticu ­
late fi lte r
II Particulate filter: System fault See own­
er's manual
When the II symbol illum inates, you can al­
ter your driving style to assist the filter self­
cleaning process. Drive for approximately 15
minutes with the selector lever in the 5 posi­
tion at a minimum speed of 37 mph (60 km/
h) and an engine speed of approximately
2,000 RPM. The temperature increase that
will resu lt from this can burn off the soot in
the filter . The symbol will switch off when the
cleaning is successful. After a successful
cleaning , there is no need to bring the car to
an author ized dealer or qualified workshop
because this is part of normal vehicle ope ra­
tion .
If the symbol
II does not switch off, see your
author ized dealer or other qualif ied workshop
to have the problem corrected.
For more information on the diesel particu­
late filter , refer to¢
page 206 .
.,&. WARNING
Always adapt your speed to the current
weather, road and traffic conditions. You
should never disobey traffic laws in order
to follow driving recommendations.
-
!'1 Engine speed limitation
App lies to veh icles: w it h e ngine speed lim itat io n
II! Engine speed maximum XXXX RPM
The engine speed is automatically limited to
the speed d isplayed in the driver information
system. This protects the engine from over·
heating.
The engine speed limitation deactivates once
the engine is no longer in the critical tempera­
ture range and you have released the accelera­
tor pedal once.
If the engine speed limitation was activated
by an engine control malfunction, the indica­
tor light
13:a also turns on . Make sure that the
speed does not go above the speed disp layed.
Drive to your authorized Audi dealer immedi­
ate ly to have the malfunction corrected.
~v, Engine oil sensor
• Oil level! Sensor defective
If the symbol illum ina tes, contact your au­
thorized Audi dea le r and have the oil sensor
inspected. Until you have this done, check the
oi l level each time you refue l just to be on the
safe side
¢ page 233.
f Request to warm engine by driving
0 Please warm up engine
Fuel has entered the engine o il because of low
outside temperat ures or frequent short
drives . Drive until the engine is warm so that
the fuel in the engine oil will vapori ze. Avoid
high eng ine speeds, full acceleration and
heavy engine load when doing this .
Bu Fuel level indicator
liD Please refuel
If the indicator light turns on for the firs t
time and the message appears, there are
about 4 gallons ( 15 liters) of fuel left in the
tank. Time to refuel
¢page 222 .
Ill Tank system malfunction! Contact dealer IJIJ,

Instruments and warning/indicator lights 2 7
Lower odometer
The lower odometer shows the total number
of miles (kilometers) driven.
Malfunction message
If there is a malfunction in the instrument
cluster ,
DEF will appear in the trip odometer
display area. Contact your authorized Audi
dealer to have the problem corrected.
Time and date display
Fig. 12 Center console : analog cloc k
The date and time are shown in the instru­
ment cluster display ¢
page 23, fig. 4. There
is also an analog clock in the center console
¢fig. 12.
When you open the driver's door, the date and
time appear in the instrument cluster display
for 30 seconds. When the ignition is switched
on, the time is always displayed in the status
line © regardless of the current display.
You can set the time on both clocks and the
date display in the MMI. Refer to the MMI
owner's manual for instructions.
Service interval display
The service interval display reminds you when
your next service is due .
Fig. 13 Instrume nt cluster: Serv ice interva l dis play
The schedule for the next oil change or inspec­
tion is calculated automatically and displayed
accordingly. The display works in two stages:
Service reminder
30 days before the next service is due, a serv­
ice reminder appears in the display when you
switch the ignition on¢
fig. 13.
After about 5 seconds the display switches
back to normal. The distance and time re­
maining are updated each time the ignition is
switched on until the date due for service is
reached.
Service due
When the due date for service is reached, the
message
Service due! appears in the instru­
ment cluster immediately after you switch the
ignition on. Additionally, a warning tone
sounds. After about 5 seconds the display
switches back to normal.
Calling up the service schedules
If or when an oil change or inspection is due,
can be shown in the MMI display by selecting
the service interval display in the car menu.
Select the
I CAR I function button > Car sys­
tems control button > Servicing & checks >
Service interval displays .
Resetting the service interval display
Your authorized Audi dealer will reset the cor­
responding service schedule after performing ..,_

28 Instruments and warning /indicator lights
the app rop riate serv ice on yo ur vehicle. Yo u
a lso have the possibility to reset the oil
change sched ule after having performed an
oil change accord ing to Audi specifications.
Select the
! CAR ! function button> Car sys ­
tems
co ntrol button > Servicing & checks >
Service Intervals > Re set oil change interval.
(D Note
- Only reset the o il change d isp lay when
you hav e completed an o il chang e.
- If you d isconnect t he battery term inals,
no calculations can be made for the serv­
i ce i nterva l display du ring this t ime and
n o s ervi ce rem ind er w ill appea r. Remem­
be r that ob se rvi ng the pr ope r se rvice in ­
te rv als is vitally impor ta nt t o extendi ng
the life o f yo ur vehicle, p articula rly th e
engine, an d main tainin g its va lue . Even i f
the mileage dr iven is low, t he max imum
p eriod of one year from one se rv ice to
the next must n ot be e xceeded.
@ Tips
- The information in the Service Reminder
r ema ins sto red even when the vehicle
batte ry is disconnected .
Head-up Display
Applies to vehicles: with Hea d-up Display
Fig. 14 Examp le: in di cato rs in the Head-up Disp lay
Fig . 15 Instrument pa nel: k nob fo r the Head -up D is ­
p lay
T he Head -up Disp lay projec ts cer tain warnings
or se lected information from the ass istance
systems * or navigation* on the windshie ld.
The display appea rs within t he driver's field of
vision.
Switching on /off
.,. Press the knob~ to switch t he Head -up
Display on/off ¢
fig. 15.
Adjusting the height
The heig ht of th e d is p lay can be adju sted to
t h e i nd ividua l dr ive r.
.,. Mak e s ure you are s eated co rre ctly
co page 134.
.,. Tur n th e kn ob~ to adjust t he di sp lay.
Settings in the MMI
.,. Select: !CARI function button> ( Car) * sys­
tems
co ntrol button > Driver Assist > Head­
up Di splay
> Head-up Display content o r
Di splay brightness .
Display content
In the MMI, you can spec ify w hich information
shou ld be disp layed such as nav igat io n in for­
mation* or Night v is io n assis tant* .
The speed disp lay and some of the red i nd ica­
tor lights cannot be hidden in the MMI.
Display brightness
Y ou can adjust the disp lay br ig ht ness in the
MMI. The d isp lay brightness decreases a uto ­
matically as the amount of light decreases.
The basic level of br ightness is adjusted w ith
t h e instr ume nt ill uminati on
co page 51 . ..,.

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A WARNING ,~
- Do not park your vehicle over flammable
materials such as grass or leaves because
the high temperature of the diesel par­
t icu late filter cou ld start a fire .
- Do not apply an underbody protectant in the exhaust system area or a fire could start .
Shutting down vehicle
If you would like your veh icle to remain inop ­
erat ive for a longer period of time, contact an
Aud i or other specia lized dealer. They can ad­
vise you on necessary precautions e.g . corro­
sion prevention, ma intenance and storage.
Pay attention to additiona l information con­
cerning the battery. Refer to~
page 240.
Avoid damaging the
vehicle
When you a re driving on poor roads, or over
curbs, steep ramps, etc., make certain that low-lying parts such as spoilers and exhaust
system parts do not bottom out and get dam­
aged.
This is especially true for vehicles with low­
slung chassis (sports chassis)* and fully load ­
ed vehicles.
Driving through water
on roads
Note the following to avoid vehicle damage
when driving through water, for example on
flooded roads :
- The water must not be any higher than the
bottom of the veh icle body.
- Do not drive faster than wa lking speed.
A WARNING
After driving through water, mud, slush,
etc., the brakes may be slow to take effect
because of wet brake rotors and pads. Dry
-
Drivin g and environment 207
the brakes first by braking carefully to re­
store the full braking effect.
(D Note
- Vehicle components such as the engine,
transmission, suspension or electrical
system can be severely damaged by driv­
ing through water.
- Always switch off the Start-Stop-System*
when driving through water
~ page 87.
(D Tips
-Check the depth of the water before driv­
ing through it .
- Do not stop the vehicle, drive in reverse
or switch the engine off when driving
through water.
- Keep in mind that oncoming vehicles may create waves that raise the water
level and make it too deep for your vehi­
cle to drive through safely .
- Avoid driving through salt water because
it can cause corrosion.
Operate your vehicle
economically and minimize pollution
General
Your personal style of driving will determine
t he economy of your vehicle , as well as ex­
haus t and noise levels.
Fuel economy, environmental impact, and
wear on your engine, brakes and tires largely
depend on three factors:
- your personal driving style
- operating conditions
- technical limitations
If you ant icipate what you need to do next and
drive economically, you can easily cut your
fuel consumpt ion by 10-15 percent . This sec­
tion w ill give you some tips on how you can
help the env ironment and your pocketbook. •
•

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-Always disconnect the battery.
- Never smoke or work near heaters or open flames. Fluids in the engine com­
partment could start a fire.
- Keep an approved fire extinguisher im­
mediately available.
- To avoid electrical shock and personal in­
jury while the engine is running or being
started, never touch :
- Ignition cables
- Other components of the high voltage
electronic ignition system.
- If you must perform a check or repair
with the engine running:
- First, fully apply the parking brake,
move selector lever to "P" (Park).
- Always use extreme caution to prevent
clothing, jewelry, or long hair from get­
ting caught in the radiator fan, V-belts
or other moving parts, or from contact­ ing hot parts. Tie back hair before
starting, and do not wear clothing that
will hang or droop into the engine.
- Minimize exposure to emission and
chemical ha zards c:::> & .
A WARNING
California Proposition 65 Warning:
- Engine exhaust, some of its constituents,
and certain vehicle components contain
or emit chemicals known to the State of
California to cause cancer and birth de­
fects and reproductive harm. In addition ,
certain fluids contained in vehicles and
certain products of component wear con­
tain or emit chemicals known to the
State of California to cause cancer and
birth defects or other reproductive harm .
Checking and filling 229
-Battery posts, terminals and related ac­
cessories contain lead and lead com­
pounds, chemicals known to the State of
California to cause cancer and reproduc­
tive harms. Wash hands after handling.
(D Note
When adding fluids, always make sure that
they are poured into the proper container
or filler opening, otherwise serious dam­
age to vehicle systems will occur.
(® For the sake of the environment
To detect leaks in time, inspect the vehicle
floor pan from underneath regularly . If
you see spots from oil or other vehicle flu­ ids, have your vehicle inspected by an au­
thorized Audi dealer.
Closing the engine hood
.,. Pull the hood down until the pressure from
the struts is reduced.
"'Let the hood
drop down and latch in place.
Do not try to push it shut; it may fail to en­
gage
c:::> ,A .
A WARNING
-
A hood that is not completely latched
could fly up and block your view while driv ­
ing .
- When you close the engine hood, check it
to make sure the safety catch has proper­ ly engaged. The hood should be flush
with the surrounding vehicle body parts.
- If you notice while driving that the hood
is not secured properly , stop at once and
close it. •
•