2015 AUDI S6 low oil pressure

wiper size adding oil coolant clutch CD changer adblue reset

Page 15 of 314

$AUDI S6 2015 Owners Manual M N 0 <.J SI: ,...., \!) 1.1"1 ,...., 1.1"1 ,...., Instrument s and warnin g/indic ator ligh ts 13 compartment, stop the engine and let it cool down. Always exercise extreme cau t ion$

Page 16 of 314

AUDI S6 2015 Owners Manual 14 Instruments and warning/indicator lights
Tire pressure monitoring sys
tem./ ¢ page267
Tire pressure monitoring sys
tem q page 267
Electronic power control./ (a l
ternative

Page 19 of 314

$AUDI S6 2015 Owners Manual M N 0 <.J SI: ,...., \!) 1.1"1 ,...., 1.1"1 ,...., Instruments and warning/indicator lights 17 -The engine compartment of any vehicle is a dangerous area. Before you perform any work in$

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Instruments and warning/indicator lights 17
-The engine compartment of any vehicle
is a dangerous area. Before you perform
any work in the engine compartment,
turn of the eng ine and allow it to cool.
Follow the warning stickers¢
page 222.
(D Note
Do not continue driving if the. symbo l
illuminates. There is a malfunct ion in the
eng ine cooling system -you could damage
your eng ine.
0 Battery
This warning/indicator light detects a mal
function in the generator or in the vehicle's
electrical system.
The. warning/ind icator light illuminates
when you switch on the ignit ion and must go
out after the engine has started.
• Alternator fault: Battery is not being
charged
If the indicator light turns on and the mes
sage appears, there is a malfunction in the
generator or vehicle e lectr ica l system .
Dr ive to your au thorized Audi dealer or quali
fied workshop immediately . Because the vehi
cle battery is discharging, turn
off all unnec
essary electrical equipment such as the radio.
Seek professional ass istance if the battery
charge level is too low .
(•) Low battery: battery will be charged
while driving
If the indicator light turns on and the mes
sage appears , there may be limited starting
abi lity .
If this message turns off after a litt le wh ile,
the battery charged enough wh ile driving.
If the message does not turn off, have your
authorized Audi dealer or qua lified workshop
correct the mal func tion.
~ Safet y belts
This warning/indicator light reminds you to
put on your safety belt.
The . warning/ indicator light illum inates
when the ignition is switched on to remind
the driver and any front passenger to put on
the safety belt. Add it ionally, an acoustic warn
ing (gong) wi ll also sound.
For more Information¢
page 136, i 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 oi l pressure is too low.
.,. Pull
off the road.
.,. Stop the vehicle.
.,. Turn
off the engine .
.,. Check the engine oil level c> page 226 .
.,. If the eng ine o il level is too low, add eng ine
oil ¢
page 226. Make sure that the oil pres
sure warning symbol. appears no longer
in the display before you start dr iv ing again .
.,. If the eng ine o il level is correct and the indi
cator light still turns on, turn the engine
off
and do not continue driving. Seek professio
na l 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
II 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

Page 77 of 314

$AUDI S6 2015 Owners Manual M N 0 <.J SI: ,...., \!) ..,., ,...., ..,., ,...., Starting the engine "Press the brake pedal c::> _&.. "Pr ess the !START ENGINE STOPI button c::> fig. 77. The engi ne will start. "$

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,...., ..,., ,....,
Starting the engine
"'Press the brake pedal c::> _&..
"'Pr ess the !START ENGINE STOPI button
c::> fig. 77. The engi ne will start.
"' It is possible that there will be a slight delay
when starting the engine for diesel vehicles
in colder temperatures. Therefore, you must
hold the brake pedal down until the engine
starts. The indicator lamp
Ii illuminates
when the engine is preheated.
If the engine should not start immedi ately,
the starting process is automatically stopped
after a short time . Repeat starting procedure.
Start-Stop-System*:
Note the information on c::> page 79, Start
Stop-System.
A WARNING
- Never allow the engine to run in confined
spaces -danger of asphyxiation .
- Never turn off the engine until the vehi
cle has come to a complete stop.
- The brake booster and power steering
only work when the engine is running.
If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usual
ly would, this could lead to crashes and
serious injuries.
-Avoid high engine rpm, full throttle and
heavy engine loads until the engine has
reached operating temperature - other
wise you risk engine damage.
- The engine cannot be started by pushing
or towing the vehicle.
(D Tips
-After a cold engine is started, there may
be a brief period of increased noise be
cause oil pressure must first build up in
the hydraulic valve adjusters. This is nor mal and not a cause for concern.
- If you leave the vehicle with the ignition
switched on, the ignition will switch off
On the road 75
after a certain period of time. Please
note that electrical equipment such as
exterior lights will switch off as well
when that happens.
Stopping the engine
"'Bring your vehicle to a complete stop.
"' Move the selector lever to the P or N posi
tion .
"'Press the
I STAR T ENGINE ST OP I button
c::> page 7 4, fig. 77.
Steering lock
The steer ing locks when you turn the engine
off using the
I STAR T ENGINE STOP I button
and open the driver's door. The locked steer ing helps prevent vehicle theft.
Emergency off
If necessary, the engine can be switched off
with the selector lever in the R or D/S posi
tion. The engine stops if you press the
I START ENGINE STOPI button at speeds below
6 mph (10 km/h).
A WARNING
-Never turn off the engine until the vehi
cle has come to a complete stop.
- The brake booster and power steering
only work when the engine is running. If
the engine is off, you have to use more
force when steering or braking. Because
you cannot steer and brake as you usual
ly would, this could lead to crashes and
serious injuries.
- For safety reasons, you should always
park your vehicle with the selector lever
in P. Otherwise, the vehicle could inad
vertently roll away.
- After the engine has been switched off,
the radiator fan can continue to run for
up to 10 minutes -even with the ignition
switched off.
It can also switch on again
after some time if the coolant tempera
ture rises as the result of a heat buildup
.
or if the engine is hot and the engine .,..

Page 231 of 314

$AUDI S6 2015 Owners Manual M N 0 <.J SI: ,...., \!) 1.1"1 ,...., 1.1"1 ,...., Before you check anything in the engine com partment, al ways r ead and heed all W ARN ING S r=;, A in Working in the engine compart$

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Before you check anything in the engine com
partment,
al ways r ead and heed all W ARN
ING S r=;, A in Working in the engine compart
ment on page 222.
.. Park your vehicle on a level surface.
.. Switch
off the ignition .
.. Read the eng ine coolant leve l from the cool
ant expansion tank¢
fig. 191, ¢ page 224,
fig. 188.
With a cold engine, the coolant
level should be between the "min" and
"max" markings. When the engine is warm,
the leve l may be slightly above the "max"
mark ing .
The location of the coolant expans ion tank
can be seen in the engine compartment illus
tration ¢
page 224.
To obta in an accurate read ing, the engine
must be switched
off.
The expansion tank in your vehicle is equipped
with an electric coolant level sensor.
When the coo lant level is too low, the warning
light in the Auto-Check System
¢ page 16 will
illum inate until yo u add coolant and the level
has been restored to normal. Even though
there is an electric coo lant level sensor, we
still recommend you check the coolant leve l
from time to time .
Coolant loss
Coolant loss may indicate a lea k in the cooling
system. In the event of coolant loss, the cool
ing system should be inspected immediately
by your authorized Audi dealer . It is not
enough merely to add coola nt.
In a
sealed system, losses can occur only if
the boiling point of the coolant is exceeded as
a result of overheat ing .
A WARNING
The coo ling system is unde r pressure and
c an get ve ry ho t. Reduce the risk of s cald
ing from h ot coolan t by followi ng these
steps .
- T urn
off the engine and allow it to coo l
down.
Checkin g and fillin g 229
-Protect your face, hands and arms from
escaping flu id and steam by covering the
cap with a large, th ick rag.
- Turn the cap slowly and very carefully in
a counter-clockwise d irect ion while ap
plying lig ht, downward pressure on the
top of the cap .
- To avo id being burned, do not sp ill anti
freeze or coolant on the exhaust system
or hot engine parts. Under certa in cond i
tions, th e ethylene glycol in engine coo l
ant can catch fire.
(D Note
Do not add any type of radiator leak sea l
ant to your ve hicle's engine coolant. Add-
i ng radiator repa ir flui d may adverse ly af
fe ct the funct ion a nd pe rfo rma nce of you r
co oling system and could re sult in damage
not covered by your New Vehicle Limi ted
War ranty.
Adding coolant
Be very careful when adding engine coolant.
Before you ch eck anyth ing in the eng ine com
partment,
alway s re ad and heed all WARN
INGS ¢ A in Working in the engine compar t
ment on page 222.
.. Requirement: The re must be a residua l
amount of coolan t in the expansion ta nk
¢(D .
.. Tu rn off the engine.
.. Let the engine cool down.
.. Place a thick rag ove r th e coo lant expansion
tank
¢ page 228, fig . 191 and carefully
twist the cap counte r-clockwise ¢.&, .
.. Add coo lant m ixed in the correct ratio
¢
page 228, Coolant up to the MAX mark
ing .
.. Make s ure that the flu id leve l remains sta-
b le. Add more coo lant if ne cessary.
.. Twis t the cap o n again
t ightly.
Replacement engine coo lant must confo rm to
exact spec ificat ions
r=;, page 228, Coolant. ..,.
•
•

Page 239 of 314

AUDI S6 2015 Owners Manual Tires and wheels
Tires
General notes
Tires may be the least appreci
ated and most abused parts of
a motor vehicle .
Tires may be the least appreci
ated and most abused part

Tires and wheels
Tires
General notes
Tires may be the least appreci
ated and most abused parts of
a motor vehicle .
Tires may be the least appreci
ated and most abused parts of
a motor vehicle. Tires are, how
ever, one of the most important
parts of a vehicle, particularly
considering the comparatively
small patch of rubber on each
tire that assures that all-impor
tant contact between you, your
vehicle and the road.
Maintaining the correct tire
pressure, making sure that your
vehicle and its tires do not have
to carry more weight than they can safely handle, avoiding
damage from road hazards and
regularly inspecting tires for
damage including cuts, slashes
irregular wear and overall con
dition are the most important
things that you can do to help avoid sudden tire failure includ
ing tread separation and blow-
~ outs.
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Tires and wheels 237
Avoiding damage
If you have to drive over a curb
or similar obstacle , drive very
slowly and as close as possible
at a right angle to the curb.
Always keep chemicals includ ing grease, oil, gasoline and
brake fluid off the tires.
Inspect the t ires regularly for
damage (cuts, cracks or blis
ters, etc.). Remove any foreign bodies embedded in the treads.
Storing tires
Mark tires when you remove
them to indicate the direction
of rotation. This ensures you to be able to mount them correct
ly when you reinstall them.
When removed, the wheels or
tires should be stored in a cool, dry and preferably dark place.
Store tires in a vertical position if they are not mounted on
rims, in a horizontal position if
they are mounted on rims.
New tires
New tires have to be broken in
¢ _&. .
The tread depth of new tires
may vary , according to the type .,.
•
•
'

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AUDI S6 2015 Owners Manual 240 Tires and whee ls
Be ad Extra load t ire
means the part of the tire that means a tire design to operate
is made of steel wires, wrapped at higher loads and at higher

Page 268 of 314

AUDI S6 2015 Owners Manual 26 6 T ire s and whee ls
Wheel bolts
Wheel bolts must always be tightened to the
correct torque .
The design of wheel bolts is matched to the
factory installed rims. If differen

26 6 T ire s and whee ls
Wheel bolts
Wheel bolts must always be tightened to the
correct torque .
The design of wheel bolts is matched to the
factory installed rims. If different rims are fit
ted, the correct wheel bolts with the right
length and correctly shaped bolt heads must
be used. This ensures that wheels are fitted
secure ly and that the brake system functions
correctly .
In ce rtain circumstances, you may not use
wheel bolts from a different vehicle -even if it
is the same mode l
~page 294.
_& WARNING
Improperly tig htened o r maintained whee l
bolts can become loose ca using loss of
contro l, a co llision and serious persona l in
jury.
- Always keep the wheel bolts and the
threads in the wheel hubs clean so the
wheel bolts can turn easily and be prop
erly t ightened.
- Never grease or oil the wheel bo lts and
the threads in the wheel hubs. They can
become loose while driving if greased or
oiled, even if tightened to the specif ied
torque.
- Only use wheel bolts that belong to the
rim being installed.
- Never use different wheels bolts on your
vehicle.
-Always maintain the correct tighten ing
torque for the wheel bolts to reduce the
risk of a wheel loss. If the tightening tor
que of the wheel bolts is too low, they
can loosen and come out when the veh i
cle is moving. If the tightening torque is
too high, the whee l bolts and threads
can be damaged and the wheel can be
come loose.
@ Note
The spec ified torq ue fo r the wheel bo lts is
90 ft lb (120 Nm) w ith a toleran ce of± 7,4
ft lb(± 10 Nm). Torque wheel bo lts diago- nally
. After changing a whee l, the torque
must be checked as soon as possible with a
torque wrench -preferably by an author
i zed Audi dealer or qualified workshop.
Low aspect ratio tires
Your Audi is factory-equ ipped w ith low aspect
r atio tires . These tires have been tho roughly
tested and been se lected specifically for your
model for their superb perfo rmance, road fee l
and hand ling under a variety of d riving cond i
tions . As k your au thor ized A udi dealer for
more de tails .
T he low aspect ratio of these t ires is ind icated
by a numera l of
55 or less in the tire's s ize
designation. The nume ra l represen ts the ra tio
of the tire's sidewall height in relation to its
tread width expressed in percentage . Conven
tiona l tires have a he ight/width ratio of 60 or
more.
The performance of low- aspect-r atio tires is
p ar ticu la rly s ens iti ve to improper infl ation
p re ss ure. I t is th erefore im portant th at low
as pect ratio tires are inflated to the specified
pressure and that the inflation pressu re is
r e gularl y che cked and mainta ined. Tir e pre s
su res should be ch ecked at least onc e a
month and alwa ys bef ore a long trip
~ page 249, Checking tire pressure.
What you can do to a void tire and rim
damage
Low aspect ratio tires can be damaged more
easily by impact w it h potholes, curbs, gull ies
o r r idges on the road, pa rticularly if the tire is
u nderinfla ted .
In order to minimize the occurrence of impact
damage to the tires of you r vehicle, we recom
mend that you observe the follow ing p recau
tions:
- Always ma inta in recommended inflation
pressures. Check your tire pressure eve ry
2,000 miles (3,000 km) and add air if neces
sary .
- Dr ive carefully on roads with potholes, deep
gullies o r ridges. The impact from dr iv ing ..,.

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