2018 AUDI A6 adding oil

Check ing and F illing
Adding engine oil
F ig. 180 Engine co mpartment : en gin e oil fille r opening
cove r
Observe the safety precaut ions ¢&. in Working
in the engine comportment on page 189 .
"'Turn the eng ine off.
"' Open the hood ¢ page 191.
"'Unscrew the cap~ for the eng ine oi l filler
opening ¢
fig. 180.
"'Carefu lly add 0.5 quart (0 .5 liter) of the correct
oi l
¢pag e 192.
"'Close the engine oil filler opening cap .
"'Close the hood.
"'Restart the ign ition after two mi nutes and read
the current o il level in the Infotainment system
¢ page 193 , Checking the engine oil level .
"'Add more oil if necessa ry .
,& WARNING
- Whe n add ing o il, do not let oil d rip onto hot
engine components . This increases the r is k
of a fire.
- Yo u m ust seal the cap on the oil fi lle r open ­
ing correctly so that oil does not leak o ut
onto the hot engine and exhaust system
when the eng ine is r unning, because this is
a fire hazard.
- Always clean skin thorough ly if it comes into
contact with engine oil.
- Engine oil is poisono us and must be kept
o ut o f reach of chi ld ren.
- Store the engine oi l sec urely in the original
container.
(LlJ) Note
- If the message Ill Oil l evel i s too full.
Plea se redu ce oil le vel.
appears, there is too
194
much oil in the engine and the re is a r isk o f
cata lytic converter and engine damage. Do
not start t he engine. Contact an autho rized
Audi dealer or author ized Audi Service Fa­
cility to have excess eng ine o il extracted if
necessary .
- Your L imited New Vehicle Warranty does
not cover damage or ma lfunctions due to
failure to follow recommended mai nte­
nance and use requ irements as set fort h in
the A udi Owne r's Manual and War ranty
&
Ma inte nan ce bookle t.
- Use on ly a high quality engine o il that ex­
press ly complies with the A ud i oi l quality
s ta ndard spec ified fo r yo ur vehicle 's eng ine.
Us ing any othe r oi l c an cause ser io us eng ine
damage .
- Do not mix any add it io na l lubr ic a nts in to
t he engine oil. Damage ca used by such add i­
tives is not covered by the warranty .
@ For the sake of the environment
- Oil sho uld neve r en ter the sewer sys tem or
come in to contact with the g round .
- Pay attent ion to lega l re quir emen ts when
disposing o f emp ty o il conta iners.
Changing the engine oil
We recommend that hove your oil changed by on
authorized Audi dealer or a qualified servi ce sta ­
tion.
Befo re yo u check anything in t he engine compart ­
ment,
alway s read and h eed all WARNINGS ¢ &
in Working in the engine comportment on
page 189.
The eng ine o il must be changed according to the
i nte rvals spec ified in yo ur War ranty
& Ma inte ­
nance boo klet. This is ve ry important because the
l ubricating prope rties of oil diminish gradua lly
during norma l vehicle us e.
Un der some circumstances the engine oil should
be c hanged more freq uent ly. Change oi l more of ­
ten if you drive mostly s hort distances, operate
the ve hicle in dusty areas or under
predominantly ..,.

Checking and Filling
Coolant Freeze protec-
additi ve tion
Warm min. 40% min. -13 °F
regions max. 45% (-25 °C)
Cold min. 50% max. -40
°F
regions max. 55% (-40 °C)
([) Note
- Before the start of winter, have an author­
ized Audi dealer or authorized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate. This is especially important
when driving in colder climates.
- If the appropriate coolant additive is not
available in an emergency, do not add any
other additive. You could damage the en­
gine. If this happens, only use water and re­ store the correct mixture ratio with the
spec ified coolant additive as soon as possi­
ble.
- Only refill with new coo lant.
- Radiator sealant must not be mixed w ith
the coo lant .
Adding coolant
F ig. 181 Engine compartment: coolant expans ion tank
cover
Observe the safety precautions~ page 189,
Working in the engine compartment .
Checking the engine coolant level
• Park the vehicle on a leve l surface .
• Switch the ignition off.
• Read the coolan t leve l on the coo la nt expansion
tank~ page 192, fig . 179. The coolant level
must be between the MIN and MAX markings
196
when the engine in cold. When the engine is
warm it can be slightly above the MAX marking .
Adding coolant Requirement: there must be a residual amount of
coolan t in the expansion tan k
~CD -
• Let the engine cool down .
• Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockw ise
~ & -
... Add coo lant m ixed in the cor rect ratio
~ page 195 up to the MAX marking.
• Make sure that the fluid level remains stab le .
Add more coolant if necessary .
• Close the cap securely.
Coolant loss usually ind icates there is a leak . Im­
mediate ly drive your vehicle to an authorized
Audi dealer or authorized Audi Service Fac ility
and have the cooling system inspected. If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheat ing
and being pushed out of the cooling system .
A WARNING
- The cooling system is under pressure. Do
not open the coo lant expansion ta nk cap
when the engine is hot. This increases the
risk o f bur ns.
- The coolan t addi tive and the coolant can be
dangerous to your health. For t his reason,
keep the coolant in the original container
and away from children. There is a risk of
poisoning.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of injury.
(D Note
Do not add coolant if the expansion tank is
empty. A ir cou ld enter the cooling system and
damage the engine. If this is the case, do not
continue driving. See an authorized Audi deal­
er or authorized Audi Serv ice Facility for assis­
tance.