2015 AUDI A3 CABRIOLET AUX

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Page 216 of 302

AUDI A3 CABRIOLET 2015 Owners Manual 214 Check ing and F illin g
•Pullon the cover carefu lly ¢ fig. 162. The
tab on the cover must point forward in the direction you are pulling when pu lling on
the cover.

214 Check ing and F illin g
•Pullon the cover carefu lly ¢ fig. 162. The
tab on the cover must point forward in the direction you are pulling when pu lling on
the cover.
• To open the fuel filler door, press on the left
side
¢ page 212, fig . 160 .
{Q) Note
Only pull on the cover unt il you feel resist
ance. You will not hear it release . Other
w ise you could damage the emergency re
lease mechanism.
Hood
Working in the engine compartment
Special care is required if you are working in the engine compartment
F o r w ork in th e eng in e c omp artm ent su ch as
c h ecking and fi llin g fluid s, t he re i s a risk of
inj ury, sca lding, accid ents, a nd b urn s. Fo r
thi s re aso n, follow all the follow in g listed
war ning s and ge neral safety p recaution s.
T he engine compartment is a d ang ero us
area. ¢,& .
A WARNING
To reduce the risk of injur ies, complete the
following steps before opening the hood:
- Turn the engine off.
- Switch the ignition off.
- Set the parking brake.
- Place the selector lever in the P position .
- Let the engine coo l down.
- Never open the hood when you see that
steam o r coolant drips from the engine
c ompartment- there is a danger of
burns! Wait until no steam or coolant
flows out.
- Keep chi ldren away from the engine com
partment.
- Never spill flu ids on a hot eng ine. These
fluids (such as the freeze protection con
tained in the coolant) can catch fire .
- Avo id short circuits in the electrical sys
tem, especially the battery . -
When working in the engine compart
ment, remember that the radiator fan
can switch on even if the ignition is
sw itched off, which increases the risk of
personal injury.
- Never open the cap on the coolant ex
pans ion tank when the eng ine is warm.
The cooling system is unde r pressure.
- To protect your face, hands, and arms
from hot steam or coolant, cover the cap
with a large cloth when opening .
- Do not remove the engine cover under any circumstances. This increases the
risk of burns .
- If tests need to be performed with the engine runn ing, there is add itiona l dan
ge r due to moving components (such as
the ribbed belt, generator and radiator
fan) and from the high voltage ignit ion
system.
- Never reach into the radiator fan. The
electric auxilia ry fan is controlled by
temperature and can switch on sudden ly .
- Pay attention to the fo llow ing warnings
listed when work on the fuel system or
on the e lectrica l equipment is required.
- Always disconnect the vehicle battery
from the vehicle e lectr ical system
- Do not smoke
- Never work near open flames
- Always have a working fire exting uisher
nearby
- To reduce the risk of electric s hock and
inj ury, never touch the fo llowing compo
nents when the engine is running or is
be ing started :
- Ig nition cable
- Other compone nts in the electronic
high voltage ign it ion system
- If you must check or perform work on the eng ine while it is runn ing:
- Set the parking brake and place these
lector lever in the P (park) position
first.
- Always proceed with extreme caution
so that clot hing, jewe lry or long hai r do
not become caught in the radiator fan, ..,.

Page 223 of 302

AUDI A3 CABRIOLET 2015 Owners Manual ....,
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Adding coolant
Fig. 168 Eng ine co mpa rtme nt: m ark in gs on the cool
ant expansio n tank
Read and following th e WARNING S before
checking anyth

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Adding coolant
Fig. 168 Eng ine co mpa rtme nt: m ark in gs on the cool
ant expansio n tank
Read and following th e WARNING S before
checking anythi ng in the eng ine compartmen t
c::>page 214.
Checking th e engine coolant leve l
"'Park your vehicle on a level surface .
"' Switch the ign ition off.
"' Read the coo lant level on the coolant expan
s ion tank
c::> fig. 168. The coolant level must
be between the markings whe n the eng ine
in cold. When the eng ine is warm it can be
slight ly above the upper marking .
Adding coolant
Requirement: There must be a residua l
amo unt of coolant in the expansion tank
c::> (D .
"'Let the engine coo l down .
"' Place a cloth over the coolant expa nsion
tank cap and unscrew the cap counter clock
wise <=:>
A.
"'Add coolant mixed in the correct ratio
c::>page 220 up to the upper marking.
"' Make sure that the fluid level remains sta-
ble. Add more coolant if necessary.
"' Clove the cap securely.
A coolant loss suggests a leak. Immediately drive your vehicle to an authorized repair fa
cility and have the cooling system inspected.
If the cooling system is not leaking, a loss can
come from the coolant boiling through over
heat ing and being pushed out of the cooling
system.
Che cking and Fillin g 221
A WARNING
The cooling system is pressurized and can
become very hot. To reduce the r isk of
burns from hot coolant:
- Do not open the coolant expansion tank
cap with the engine hot . The re is a risk of
burns .
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from
escaping coolant and steam by covering
the coolant tank cap with a large, th ick
cloth .
- Tu rn the coolant tank cap counterclock
wise slowly and keep light pressure on
the cap.
- To reduce the risk of burns, do not allow
any antifreeze o r coolant to drip onto the
exhaust system or hot engin e compo
nents . The ethy lene g lycol in eng ine
coo lant can catch fire under certai n cir
cumstances.
- The coolan t addi tive and the coolant can
be dangerous to your health. For this
reason, keep the coo lant in the origina l
container away from ch ildren. There is a
risk of poisoning.
- When working in the engine compart
ment, remember that the radiator fan
can switch on even if the ignition is
sw itched off, which increases the risk of
personal injury.
(D Note
Do not add coolant if the expans ion tank is
empty. Air could enter the cooling system
and damage the eng ine. If this is the case,
do not continue dr iving. See an author ized
Audi dealer or authorized Audi Service Fa
c ility for ass istance.
Radiator fan
The radiator fan switches on automatically by
itself.
An auxiliary electric radiator fan switches on
and off depending on coolant temperature
and other vehicle operat ing condit ions .
IJJ,

Page 224 of 302

AUDI A3 CABRIOLET 2015 Owners Manual 222 Checking and Filling
After you switch the engine off, the auxiliary
fan can continue running for up to 10 minutes
- even with the ignition off. It can even switch
on again

222 Checking and Filling
After you switch the engine off, the auxiliary
fan can continue running for up to 10 minutes
- even with the ignition off. It can even switch
on again later by itself
c:> .&. , if
- the temperature of the engine coolant rises
due to the heat build-up from the engine in
the engine compartment, or
- the engine compartment heats up beca use
the vehicle is parked in intense sunlight.
A WARNING
- To reduce the risk of personal injury
nev
er touch the radiator fan.
- The auxiliary electr ic fan is temperature
contro lled and can switch on sudden ly
even when the engine is not running.
- The auxiliary radiator fan switches on au tomatically when the engine coolant
reaches a certain temperature and will
continue to run until the coolant temper
ature drops.
Brake fluid
Checking brake fluid level
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Fig . 169 Engine compartment : cove r on the brake flu id
r eservoir
Before you check anything in the engine com
partment,
always read and heed all WARN ·
INGS c:> page 214.
.. Read the brake fluid level from the brake
fluid reservoir
c:> fig.169, c:>poge216 ,
fig. 165.
The brake f luid level must be be
tween the "MIN" and "MAX" markings.
The location of the brake fluid reservoir can be
seen in the engine compartment illustration
c:> page 216 .
The fluid level may drop slightly after some
time due to the automatic adjustment of the
brake pads . This is not cause for a larm.
If the brake f luid level falls
considerably be
low the "MIN" mark, the brake warning/indi
cator light . (U.S. models)
I. (Canad ian
models) will come on
c:> page 18 . Do not con
tinue to operate the vehicle. The complete brake system should be thoroughly checked
by an authorized Audi dealer or other quali
fied facility and the cause corrected. If the
brake fluid level is too low, the brake warning/
indicator ligh t will illuminate. Contact an au
thorized Audi dea ler
immediately.
Changing brake fluid
Have the broke fluid changed by an experi
enced technician.
Brake fluid absorbs moisture from the air. If
the water content in the brake f luid is too
high, corrosion in the brake system may result
after a period of time. The boiling point of the
brake fluid will also decrease considerably and
decrease braking performance.
T he refo re, the brake fluid must be changed
every two years. Always use new brake fluid
wh ich conforms to Federal Motor Vehicle
Standard "FMVSS 116 DOT 4".
T he brake fluid reservoir can be difficult to
reach, therefore, we recommend that you
have the b rake fluid changed by your author
ized
Audi dealer. Your dealer has the correct
tools, the right brake fluid and the know-how
to do this for you .
A WARNING
---Brake flu id is poisonous. It must be stor
ed only in the closed or iginal container
out of the reach of children!
- Brake failure can resu lt from o ld or inap·
propriate brake flu id. Observe these pre·
cautions:
- Us e only brake fluid that meets SAE
specification
J 1703 and conforms to
Federa l Motor Vehicle Standard 116.

Page 273 of 302

AUDI A3 CABRIOLET 2015 Owners Manual ....,
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No. Equipment Ampere
Door/front passengers side
F39 doors (for examp le, power
30
windows)
F40 Sockets 20
F41 Reversible front
passengers
25

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