2018 AUDI A5 COUPE warning light

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3 a,
-Never put the forward-facing child restraint
up, against or very near the instrument pan­
el.
-Always move the front passenger seat to
the highest position in the up and down
ad­
justment range and move it back to the
rearmost position in the seat's fore and aft
adjustment range, as far away from the air­
bag as possib le, before insta lling the
for­
ward-facing child restra int.
- Always make sure that the safety belt upper
anchorage is beh ind the child restraint and
not next to or in front of the chi ld restraint
so that the safety belt will be properly pos i­
tioned.
-Make sure that the PASSENGER AIR BAG
OFF ~; light comes on and stays on a ll the
time whenever the ignition is switched on.
,&. WARNING t-==
Rearward-facing child restraints:
-A ch ild in a rearward-facing child safety seat
installed on the front passenger seat wi ll be
seriously injured and can be killed if the
front airbag inflates
-even with an Ad­
vanced Airbag System.
-The inflating airbag will hit the child safety
seat or infant carrier with great force and
will smash the chi ld safety seat and child
against the backrest, center armrest, door
or roof .
-Always be especially careful if you must in­
stall a rearward facing child safety seat on
the front passenger seat in exceptional c ir­
cumstances .
-Make sure that the PASSENGER AIR BAG
OFF ~; light comes on and stays on a ll the
t ime whenever the ignition is switched on.
-If the PASSENGE R AIR BAG OFF ~; light
does not come on and stay on, immed iate ly
install the rea r-facing child safety seat in a
rea r seat ing pos ition and have the airbag
system inspected by your Aud i dealer.
Ch ild safety
Activating the convertible locking retractor
Use the convertible locking retractor to secure a
child restraint .
Always heed the child safety seat manufacturer's
instructions when installing a child restraint in
your vehicle. To activate the convertible locking retractor:
.. Place the child restraint on a seat, preferably
on the rear seat .
.. Slowly pull the belt all the w ay out .
.. Route it around or through the child restra int
be lt
path ¢&. -
.. Push the ch ild safety seat down with you r full
weight to get the safety belt really tight.
.. Insert the belt tongue into the buckle for that
seating position.
.. Guide the safety belt back into the retractor un­
til the belt lies flat and snug on the child safety
seat .
.. You should hear a ''cl icking" noise as the belt
w inds back into the inertia reel. Test the con ­
vert ible lock ing retractor by pulling on the belt .
You shou ld no longer be able to pull the belt
out of the retractor. The convertib le loc king re­
t ractor is now activated.
.. Make sure that the red release button is facing
away from the child restraint so that it can be
unbuckled quickly .
.. Pull on the belt to make sure the safety belt is
properly tight and fastened so that the seat
cannot move forward or sideways more than
one inch (2 .5 cm) .
,&. WARNING
Using the wrong ch ild rest raint or an improp­
e rly installed child restra int can cause se rious
personal injury or death in a crash.
-Always make sure that the safety be lt re­
tr actor is locked when installing a child
safety seat . An un locked safety be lt retrac­
tor cannot hold the chi ld safety seat in p lace
during normal driving or in a crash.
-Always buckle the child safety seat firm ly in
p lace even if a child is not sitting in it. A
loose child safety seat can fly around during
a sudden stop or in a crash.
.,.
315

Child safety
Installing the upper tether strap on the
anchorage
App lies to: Coupe
F ig. 266 Te ther s trap : proper ro utin g an d mo untin g
~
,r~~
Applies to: Sportback/Cabriolet
Fig. 267 Tet her st rap : proper rou ting and moun ting (ex ­
amp le)
In sta lling th e te th er strap
• Release or deploy the tether strap on the child
restraint according to the child restra int manu ­
facturer's instructions .
• Applies to: Cabrio let: Fold the backrest s light ly
forward
~ page 79 and locate the tethe r anchor
behind the rear seat backrest .
• Guide the upper tether strap under the rear
head restraint (raise the head restraint if neces­
sary) . For child restraints with V -tether straps ,
always make sure that the head restraint guide rods do no t interfere with any part of the top
tether strap .
• Applies to: Coupe: Tilt the recess flap up to ex­
pose the anchor bracket .
• Applies to: Coupe: Attach the tether strap an­
cho rage hook into the open ing of the tether an­
c h orage.
• Applies to: Sportback/Cabriolet: Guide the up­
per tether strap into the rear cargo area and
slide the tether strap hook over the anchor bracket.
320
• Applies to: Cabriolet: Make sure the seat belt is
not pinched or damaged when folding the bakr­
est.
• Applies to: Cabriolet: Fold the backrest up
again until it locks into place.
• Pull on the tether strap hook so that the spring
catc h of the hook engages.
• Tighten the tether strap firm ly following the
child restra int manufacturer's ins truc tions.
Releasing the tether strap
• Loosen the tension follow ing the child restra int
manufacturer's instructions .
• Depress the spring catch on the hook and re­
lease it from the anchorage.
(D Note
If you leave the child restraint with the tether
strap firmly installed for severa l days, this
could leave a mark on the upholstery on the
seat cushion and ba ckrest in the area where
the te ther s trap was installed . The upholstery
would a lso be permanently stretched around
the tether strap . Th is app lies especia lly to
l eather seats.
Using tether straps on rearward -facing
child restraints
Currently, few rear-facing child restraint systems
come wi th a tether. Please read and heed the
c hi ld rest raint system manufacture r's instr uc­
tions caref ully to determine how to properly in­
stall the tether.
A WARNING
A child in a rearward-facing child safety seat
installed on the front passenger seat will be
seriously injured and can be k illed if the front
a irbag inflates
-even with an Advanced Air­
bag System .
- The inflating airbag will h it the chi ld safety
seat or infant carrier with great force and
will smas h the child safety seat and child
aga inst the backrest, ce nter armrest, or
door.
- If you must install a rearward facing child
safety seat on the front passenger seat

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• Position the bottle on the filler tube and turn
the bottle clockwise unti l it stops turning.
• Press lightly against the bottom of the bottle
to empty it. Continue pressing the bottom of
the bottle until it is empty or until f luid stops
flowing into the tank .
• Remove the bottle and seal the filler neck
~ page 329, Completing AdBlue refill .
(D Note
Only use refill bottles that are approved for
your veh icle. Us ing other systems can cause
Ad Blue to leak.
-You can obta in refill bottles from an author­
i zed Audi dealer or author ized Audi Service
Fac ility.
- A perm itted refill bottle contains approxi­
mately 0.5 gallon ( 1.9 liters) of Ad B lue.
Completing AdBlue refill
Applies to: vehicles with selective catalytic reduction
Closing th e filler neck
• Turn the Ad Blue cap to the right on the filler
tube u ntil the cap clicks into p lace
c;> .&. in
Preparation on page 32
7, c;> (Din Preparation
on page 327 ..
• Then press on the left side of the tank door un -
ti l it latches.
After filling
The vehicle must be driven so that the system
recognizes t hat the Ad Bl ue was refilled. This can
take severa l min utes .
• If there was no Ad Blue left in the tank and a
range of O mi (0 km) was shown in the display ,
switch the ign ition on for about 3 0 seconds be­
f ore star ting the engine .
(D Tips
Ad Blue in the tank can free ze at very low tem­
pe ra tures. If this happens, the system will
no t detect t hat the Ad Bl ue was refilled and i t
wi ll continue to inform you of the low Ad Blue
Ch eck ing and Filling
level. The message t urns off as soon as the
tank thaws out again .
Emissions control
systems
Catalytic con verter
Applies to: vehicles with gasoline engines
T he vehicle may only be driven with un leaded
gasoline, otherwise the catalytic converter will be
destroyed.
Never drive until the tank is compl ete ly empty .
The irregu lar supply of fuel that resu lts from that
can cause eng ine misfires. Uncombusted fuel will
enter the exhaust system, which can cause over­
heating and damage to the catalytic converter .
Diesel particulate filt er
Applies to: vehicles with diesel engines
The diese l particu late filter filters near ly all of
the soot particles out of the exhaust. The filter
cleans itself automatically under norma l driving
condit ions. If the filter cannot clean itself (for ex­
ample, because you are only driving short distan ­
ces), the filter becomes clogged with soot and
the
1\1 i ndicato r light for the diese l part iculate
filte r tu rns on
c;> page 33.
_& WARNING
The tempera ture of the exhaus t sys tem is
high, bot h when driv ing and a fter stoppi ng
the engine.
- Never tou ch the e xhaust tail pipes once they
have become hot. This cou ld res ult in burns .
- Do not par k your veh icle over flamm ab le
materia ls such as grass or leaves because
the high temperature of the emissions con­ trol system (catalytic converter or diesel particu late filter) cou ld start a fire.
-Do not app ly underbody protectant in the
exhaust system area, beca use this increases
the risk of f ire.
329

,&_ WAR NING
California Proposition 65 Warning:
- Engine exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali­
fornia to cause cancer and birth defects and reproduct ive harm. In addition, certain flu­
ids contained in vehicles and certain prod­
ucts of component wear contain or emit
chem icals known to the State of California
to cause cancer and birth defects or other reproduct ive harm.
- Battery posts, terminals and related acces­ sories contain lead and lead compounds,
chem icals known to the State of California
to cause cancer and reproduct ive harms.
Wash hands after handling.
(D Note
When filling flu ids, be sure not to mix the flu­
ids up . Otherwise severe ma lf u nctions and en­
gine damage w ill occur.
@) For the sake of the environment
You shou ld regularly check the ground under
your vehicle in o rder to detect leaks qu ickly .
If
there a re visible spots from oil or other fluids,
bring your vehicle to an authorized Aud i dea l­
er or authorized Audi Service Facility to be
checked.
Opening and closing the hood
The hood is released from inside the vehicle.
Fig. 274 Driver footwell: release leve r
Checki ng an d Fill in g
Fig. 275 Unlocked hood : lever
Make sure the wiper arms are not raised up from
the windshield. Otherwise the paint could be damaged .
Opening the hood
" With the driver's doo r open, pull the lever be­
low the instrument panel in the direction of the
arrow
r:;, fig . 2 7 4.
" Ra ise the hood slightly ¢.&_ .
"Press the lever ¢ fig. 275 in the direct ion of the
arrow. This releases the hooks .
"Open the hood .
Closing the hood
" Push the hood down until you override the
force of the str uts.
" Let the hood fall lightly into the latch . Do not
press it
in. ¢ .&_ .
A WARNING ,..___
-Never open the hood when there is steam or
coo lant escaping from the engine compart ­
ment, because there is a risk that you could
be burned. Wait until no steam or coolant is
escaping.
- For safety reasons, the hood must always be
closed securely while driv ing. Because of
this, always check the hood after closing it
to make sure it is latched correctly . The
hood is latched if the front corners cannot
be lifted.
- I f you notice that the hood is not latched
while you are d riving, s top immed iately and
close it, because driving when the hood is not latched increases the r isk of an accident . .._
331

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If you must add oil between oil changes, use an
oil that matches the Audi oil quality standard listed on the st icker. The sticker is located at the
front of the engine compartment
c> page 332,
fig . 276.
Audi re comm end s
Ocastrot /[g/j;t{E'g Frtw.::<.. ·-:dr,,JA.L
A ud i recommends Longlife h igh perform ance
e ngin e oil from Audi Genui ne Part s
Using the proper engine oil is important for the
functionality and service life of the eng ine. Your
engine was factory -filled with a high-quality oil
which can usua lly be used throughout the entire
yea r.
Note
Your Limited New Vehicle Warranty does not
cover damage o r malfunctions due to failure
to follow recommended maintenance and use requirements as set fo rth in the Aud i Owner's
Manual and Warranty
& Maintenance booklet.
- Use only a high q ual ity eng ine oil that ex-
pressly complies with the Aud i oil q uality
standard specified for your vehi cle's engine .
Using any other oil can cause serious engine
damage .
- Do not mix any l ubricants o r other additives
into the engine oil. Doing so can cause en­
gine damage.
(D Tips
If you need to add oil and there is none availa ­
b le that meets the Audi oil quality standard
your eng ine requires, you may add a total of
no more than 0.5 qt (0.5 l) of a h igh-quality
"synthet ic" o il that meets the following speci­
fications .
- Vehicles with gasoline eng ine: ACEA A3 or
API SM with a viscosity grade of SAE OW-30,
SAE 5W -30 or SAE 5W-40 .
- Vehicles with d iesel eng ine : ACEA C3 or
API CF with a v iscosity grade of SAE OW-30
or SAE 5W -30 .
- For more information about engine o il that
has been approved for your vehicle, please
contact e ither you r authorized Audi dea le r
or A udi C ustome r Relat ions at
Ch eck ing and Filling
1 (800) 822 -2834 or visit our web site at
www.audiusa .com or www .audicanada .ca.
Engine oil consumption
The engin e in your v ehicl e dep ends on an ad e­
quat e amount of oil to lubricate and cool all of
its moving parts.
In order to provide effect ive lub rication and cool­
ing of inte rnal engine components, all inte rnal
combustion engines consume a certain amount
of oil. Oil consumption varies from eng ine to en­
gine and may change significantly over the life of
the engine. Typ ically, engines w ith a specified
break -in period (see
c> page 86) consume more
o il dur ing the break-in per iod than they consume
after oil consumption has stabilized .
Under normal cond itions, the rate of oil con­
sumption depends on the qua lity and viscos ity of
the oil, the RPM (revolutions per m inute) at
which the engine is operated, the amb ient tem­
perature and road condi tions. Further facto rs a re
the amo unt of oil di lution from water co ndensa­
tion or fue l resid ue a nd the oxidation level of the
oi l. As any engine is subject to wear as mileage
builds up, the oi l consumption may increase ove r
time unt il replacement of worn components may
become necessary.
With a ll these variab les coming into play, no
standard rate of oi l consumption can be estab­
lished or spec ified . There is no alternative to reg­
ular and frequent checking of the oi l level, see
Note .
If the y ellow engine oil leve l warning symbo l Bl
in the instrument cluster lights up, you should
check the o il level as soon as possible
c> page 334. Top off the o il at your earliest con­
venience
c> page 334 .
A WARNING
--Before you check anyth ing in the eng ine com-
partment, always read and heed all WARN­
I NGS
c> .&. in Working in the engine compart-
ment on
p~e 330. ~
333

Check ing and F illing
edge of the reservoir and result in damage
to the vehicle .
- Do not get any bra ke fluid on the ve hicle
paint, beca use it will cor rode t he pa int .
Battery
General warnings about batteries
Because of the complex power s upply, a ll wor k
on batte ries such as disconnecting, rep laci ng,
etc. s hou ld
onl y be per formed by an auth or ized
Aud i dea ler o r autho rized Aud i Serv ice Facility
c;> .&. .
The te rm "vehicle battery " refers to the 12 Vo lt
b at tery i n your veh icle.
Detailed warnings for the vehicle battery:
®
Wear eye protection .
A
Battery acid is highly corrosive. Wear p ro-
tective gloves and eye p rotection.
@
F ire, sp arks , open flame and smo king a re
forbidden.
A
A highly explosive mixtu re of gases can
form when charging ba tte ries.
®
Keep c hildren away from battery acid and
batteries.
A WARNING
All work on the batte ry o r electrical system in
your vehicle can result in injuries, chemical
burns, accide nts o r burns. Because of this, a ll
wor k mu st be perf ormed
only by an au thor­
ize d Aud i de aler o r authorized Aud i Se rv ice
Facility .
A WARNING
California Proposit io n 65 Warning:
- B attery posts, termin als and re late d a cces­
so ries contai n lead and lead compounds,
chem ica ls known to the State of California
to cause cance r and rep roduct ive p roblems.
Wash hands after handling.
338
(D Note
P rotect the vehicle battery aga inst freezing if
the ve hicle wi ll be par ked for long periods of
time so t hat it is not destroyed by "freezing"
c;> page339.
@ For the sake of the environment
'8 Batteries conta in polluting s ubstances such
as sulfur ic acid and lead. Contact an aut ho r­
i zed Audi dealer or authorized A udi Service
Fac ility for more informat io n.
· Vehicle battery
The term "vehicle battery" refers to the 12 Volt
battery in your vehicle.
Not running the v ehicl e for long period s of
time
If you do not d rive your vehicle for severa l days o r
weeks, electrical equ ipment is gradually sca led
back or sw itched off . Th is reduces energy use and
ensures the vehicle will be ab le to s tart after long
per iods o f time
9 page 155. Some co nvenience
funct io ns, such as interio r lighting o r power seat
adjus tment, may not be av ail abl e un de r c ertain
c irc umstances. These convenience functions will
be available again once you switch the ignition on
and sta rt the engine .
E ven when ele ctrical eq uipment is swi tched off,
t h e eq uipment can still dra in the vehicle ba tte ry
i f the ve hicle is not driven for long periods of
time. Deep drai ning results in a chemica l reaction
that destroys the ins ide of the vehicle batte ry.
The vehicle battery must be cha rged every month
to reduce the risk of this happening
c;> page 339.
Contact an authorized Aud i dea ler or authorized
Audi Se rvice Fac il ity for more information.
Winter operation
Co ld weather places higher demands on the vehi­
cle battery. T his resu lts in reduced starting abili­
ty. Have the vehicle battery chec ked by an au­
thorized Aud i dea ler or authorized Audi Service
Fac ility befo re t he cold ti me of year.

Charging the vehicle battery
Fig. 280 Engine compartment : connectors for a charger
and jump start cables
Requirement: only use chargers with a maximum
charging voltage of 30 amps/14.8 Volts.
The
vehicle battery cables remain connected .
.,. Read the warnings¢ & in General warnings
about batteries on page 338
and ¢ ,& .
.,. Switch off the ignition and all electrical equip­
ment .
.,. Open the hood ¢ page 331 .
.,. Open the red cover on the positive terminal
¢ fig. 280 .
.,. Clamp the charger terminal clamps to the jump
start pins
according to the instructions . (pin
under the red cover= "positive", pin with hex­
agonal head= "negative").
.,. Insert the power cable for the charging device
into the socket and switch the device on.
.,. At the end of the charging process, switch the
charger off and pull the power cable out of the
socket .
.,. Remove the charger terminal clamps.
.,. Close the red cover on the positive terminal.
.,. Close the hood ¢ page 331 .
A WARNING
-A highly explosive mixture of gases can form
when charging batteries. Only charge the
vehicle battery in well-vent ilated areas.
-A drained vehicle battery can freeze at tem­
peratures around 32
QF (0 QC). A frozen or
thawed vehicle battery must not be charged
and must not be used anymore. The battery
housing can crack and battery acid can leak
out if ice forms, which increases the risk of
an explosion and chemical burns. Contact an
Checking and Filling
authorized Audi dealer or authorized Audi
Service Facility for more information.
- Do not connect or disconnect the charging
cable while charging because this increases
the risk of an explosion.
@ Tips
- Only charge the vehicle battery through the
connections in the engine compartment.
- Read all of the manufacturer's instructions
for the charger before charging the vehicle
battery.
Windshield washer system
Fig. 281 E ngine compartmen t: was her fluid reservoi r cap
The windshield washer fluid reservoir O contains
the cleaning solution for the windshield and the
headlight washer
system*¢ page 332, fig. 276 .
The reservoir capacity can be found in
¢ page 388.
To reduce the risk of lime scale deposits on the
spray nozzles, use clean water with low amounts
of calcium. Always add window cleaner to the wa­
ter . When the outside temperatures are cold, an
anti -freezing agent should be added to the water
so that it does not freeze.
(D Note
-The concentration of ant i-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.
.,..
339

Care and cleaning
Care and cleaning
General information
Regular, proper care helps to maintain your vehi­
cle's value.
It can also be a requirement when
submitting warranty claims for corrosion damage
and paint defects on the body.
The required cleaning and care products can be
obtained from an authorized Audi dealer or au­
thorized Service Facility. Read and follow the in­
structions for use on the packaging .
A WARNING
-Using cleaning and care products incorrectly
can be dangerous to your health .
- Always store cleaning and care products out
of reach of children to reduce the risk of poi­
soning .
@ For the sake of the environment
- Preferably purchase environmentally-friend­
ly cleaning products.
- Do not dispose of leftover cleaning and care
products with household trash.
Car washes
The longer that deposits such as insects, bird
droppings, tree sap or road salt remain on the ve­ hicle, the more the surface can be damaged. High
temperatures such as those caused by sunlight
increase the damaging effect .
Before washing, rinse off heavy deposits with
plenty of water.
Stubborn deposits such as bird droppings or tree
sap are best removed with plenty of water and a microfiber cloth.
Also, wash the underside of your vehicle once road salt stops being used for the season .
Pressure washers
When washing your veh icle w ith a pressure wash ­
er, always follow the operating instructions pro­
vided with the pressure washer. This is especially
important in regard to the pressure and spraying
distance. Do not aim the spray directly at seals on
362
side windows, doors, the hood, the luggage com­
partment lid or the panorama glass roof* or at
tires, rubber hoses, insulating material, the pow­
er top*, sensors* or camera lenses". Keep a dis­
tance of at least 16 in (40 cm).
Do not remove snow and ice with a pressure
washer.
Never use cone nozzles or high pressure nozzles.
The water temperature must not be above 140 °F
(60 °() .
Automatic car washes
Spray off the vehicle before washing.
Make sure that the windows, the panorama glass
roof* and the power top* are closed and the
windshield wipers are off. Follow instructions
from the car wash operator, especially if there
are accessories attached to your vehicle.
If possible, use car washes that do not have
brushes.
Washing by hand
Clean the vehicle starting from the top and work­
ing down using a soft sponge or cleaning brush.
Use solvent-free cleaning products.
Washing vehicles with matte finish paint by
hand
To avoid damaging the paint when washing, first
remove dust and large particles from your vehi­
cle. Insects, grease spots and fingerprints are
best removed with a special cleaner for matte
finish paint .
Apply the product using a microfiber cloth. To
avoid damaging the paint surface, do not use too
much pressure.
Rinse the vehicle thoroughly with water. Then
clean using a neutra l shampoo and a soft micro­
fiber cloth.
Rinse the vehicle thoroughly again and let it air
dry. Remove any water residue using a chamois.
.,._