2013 AUDI A7 coolant reservoir

16 Instrum ent s and w arn ing /indic ato r light s
&_ WARNING
-Always observe the warnings in
i=> page 224, Engine compartment, be­
fore opening the hood and checking the brake flu id.
- Driv ing with low brake fluid is a safety
hazard. Stop the car and get professional
assistance.
- USA models: If the 1111 warn ing light,
the
G1 warning light and the m:11 warn­
ing light come on together, the rea r
wheels co uld lock up first unde r hard
braking . Rear wheel lock-up can cause
loss of vehicle control and an accident.
Have your vehicle repaired immediately
by your authorized Aud i dea ler or a quali­
fied workshop. Drive slowly and avoid
sudden, hard brake applications.
- Canada models: If the brake warn ing
light ., the
DJ warn ing light and the
ABS warning light
ii] come on together,
the rear wheels could lock up first unde r
hard bra king. Rear wheel lock-up can
cause loss of vehicle co ntrol and an acci­
dent. Have yo ur vehicle repaired immed i­
a tely by your authori zed A udi dealer or a
qualified workshop . Dr ive slowly and
avoid sudden, hard brake applicat ions.
- If the brake warning/indicator ligh t does
not go out afte r a few secon ds an d the
parking brake is released, or lights up
whi le you are driving, the fluid level in
the brake fluid reservoir is too low. If you believe that it is safe to do so, proceed
immediately at low speed to the nearest
authorized Audi dealer o r qualified repair
facility and have the brake system in­
s pected.
- Always kee p in m ind that afte r several
brake applicat ions, yo u will need g reater
pressure on the b rake peda l to s top your
vehicle. Do no t re ly on stra ined brakes to
respond with maxim um stopping power
in critical situations . You must allow for
increased brak ing distances. The extra
distance used up by fad ing brakes could
lead to an acc ident.
PARK/( ®) Electromechanical parking
brake
The warning/indicator light monitors the
electromechanical parking brake .
If the indicato r light - (USA models)/ .
(Canada mode ls) turns on, the pa rking brake
was set. If the pa rking brake is set when the
igni tion is off, the indicator light turns off a f­
te r abo ut 20 seconds .
The wa rning/i nd icator lig ht wi ll go out when
the pa rking bra ke is re leased.
- (USA models ) /. (Canada mod els)
Caution: Vehicle park ed too steep
If the indicator light b links and the message
appea rs, there is not enough braki ng power to
keep the vehicle from roll ing . The brakes have
overheated . The veh icle cou ld roll away eve n
on a sma ll incline .
Press brake pedal to release parking brake
To release the parking b rake, press the brake
peda l and press the button~ or start driving
with starting assist at the same time
i=> page 79.
Plea se relea se parking brake
T o re lease the p arki ng brake manually, p re ss
t h e brake peda l and press the button ~ at the
same time. The parki ng b rake only releases
automatica lly if the driver's safety belt is fas ­
tened .
Iii Parking brake!
If the Iii indicator lig ht tur ns on and th is
message appears, the re is a parki ng b rake
m alfunction . D rive to your au thori zed A udi
dealer or qualified workshop immediately to
have t he malfunction corrected .
-L Engine cooling system malfunction
A malfunction in the engine cooling system
must be repaired as soon as possible.
• Switch off engin e and check coolant level ..,.

230 Checking and filling
Checking and filling Engine hood
Releasing the engine hood
The engine hood is released from inside the
vehicle .
Fig. 187 Driver foo twell: release lever
Fig. 188 Rocker switch un der the hood
Make sure the wiper arms are not raised up
from the windshield. Otherwise the paint
could be damaged .
.,. Pull the lever under the instrument panel in
the direction of the arrow
~ fig. 187.
.,. Raise the hood slightly~,&. .
... Press the rocker switch under the hood up­
ward
~ fig. 188. This releases th e catch.
... Open the hood.
&_ WARNING
Hot engine coolant can burn you.
- To reduce the risk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine compartment . Wait until no steam or
coolant can be seen or heard before care­
fully opening the hood .
'Working in the engine compartment
Be especially careful whenever you work in
the engine compartment.
Whenever you must perform any work in the
engine compartment, for example checking
and filling different fluids, there is a risk of injury, burns and accidents. To prevent per­
sonal injury always observe the following
WARNINGS. The engine compartment of any
vehicle is a hazardous area
~ ,&. .
A WARNING
To help avoid injury, before you check any­
thing under the hood:
- Turn off the engine.
- Switch off the ignition .
- Apply the parking brake.
- Move selector lever to P (Park).
- Always let the engine cool down. Hot
components will burn skin on contact.
- To reduce the risk of being burned, never
open the hood if you see or hear steam
or coolant escaping from the engine
compartment. Wait until no steam or
coolant can be seen or heard before care­
fully opening the hood.
- Keep children away from the engine com­
partment.
- Never spill fluids on hot engine compo­
nents . They can cause a fire .
- Never touch the radiator fan. The auxili­
ary electric fan is temperature controlled
and can switch on suddenly .
- Never open the coolant reservoir cap
when the engine is still warm . The cool­
ant system is pressurized and hot cool­
ant could spray out.
- Protect your face, hands and arm from
steam or hot engine coolant by placing a
thick rag over the cap when you open the
coolant reservoir.
- Do not remove the engine cover under
any circumstances. This increases the
risk of burns.
- If work on the fuel system or the electri­
cal system is necessary:

232 Checking and filling
Engine compartment
Engine compartment overview
These are the most important items that you can check.
Fig. 189 Typ ical layout for contai ners and eng ine o il filler cap
(D Jump start point(-) with hex
head screw .... .............
243, 279
@ Jump start point(+) under a cov-
er .. .. ............... .... .
243,279
®
©
®
®
Brake fluid reservoir ((0)) . . . . . 239
Engine oil filler cap ( Coolant expansion tank
(-L) ...
Windshield/headlight washer
237
t . (.'R) con ainer ,,.., ............ . . 244
The engine oil filler neck (item @) may be lo­
cated in a different area depending on the ver­
sion of the engine.
~ WARNING
Before you check anything in the engine
compartment, always read and heed all
WARNINGS
¢ &. in Working in the engine
compartment on page 230.
-
Engine oil
Engine oil specifications
The engine oil used in your Audi needs the
right kind of oil.
The engine in your Audi is a sophisticated
powerplant that was built to exacting specifi­
cations . This engine needs the right kind of
engine oil that meets specifications regarding
quality and viscosity so that it can run
smoothly and reliably . Choosing the right oil
and changing oil within the time and mileage
intervals printed in you r vehicle's Warranty
&
Maintenance booklet matters a lot more to­
day than it did years ago . Audi has developed
a special quality standard for engine oil that
will help assure that your vehicle's engine wi ll
get the lubrication it needs for proper opera-
tion. ..,.

scalding from hot coo lant by following
these steps.
- Turn
off the engi ne and a llow it to cool
down.
- Protect your face, hands and arms from
escapi ng fl uid and steam by cover ing
the cap with a large, thick rag .
- Turn the cap slowly and very ca refully
i n a cou nte r-clockw ise dir ect ion while
a pply ing lig ht, downwa rd p ress ure on
the top of the cap.
- To avo id being burned, do no t sp ill an­
tifree ze o r coolan t on t he exh aust sys­
tem or ho t engine parts . Un der certain
conditions, the ethylene glyco l in en­
gine coolant can catch fire .
- Antifree ze is poisono us. Always store an­
tifreeze in its or iginal co ntainer and we ll
o ut o f the reac h of children.
- If you drain the coolant , it must be
caught and safely stored in a p roper con ­
tainer clear ly marked "poison".
(D Note
- Coolant po llutes the env ironment and
could ca use a n engine fire . Excess coo l­
ant wi ll be forced out through the pres ­
sure re lief va lve in the cap when the en­
gine becomes hot.
- If, in an emergency, only water can be
added , the correct ratio between water
and antifreeze¢
page 237 must be re­
stored as soon as possib le .
@ For the sake of the environment
Drained coolant should not be re used . Al­
ways dispose of used c oolant while observ­
ing all envir onmental regulations .
Radiator fan
The radiator fan switches on automa tically by
itself
An auxiliary e lectric radiator fa n switches on
and
off depending on coolant temperature
and other ve hicle operating conditions.
Checkin g and fillin g 239
After you switch the engine off, the auxi liary
fan can continue running for up to 10 minutes
- even w ith the ign ition off. It can even switch
o n again later by itself¢.& , if
- the temperature of the engine coo lant rises
due to the heat build- up from the engine in
the engi ne compartment, or
- the engine compa rtment heats up because
the vehicle is parked in intense sunlight.
&_ WARNING
--To reduce the risk of persona l in ju ry nev-
er touch the radiator fan .
- The a uxiliary electric fan is tempe rat ure
contro lled and can switch on suddenly
even when the engine is not ru nning.
- The a uxiliary radiator fan sw itches on a u­
tomatically when the engine coo lant
reaches a certai n temperature and will
cont inue to ru n until the coo lant temper­
atur e drops.
Brake fluid
Checking brake fluid level
N
N
N
.,; 0:, a,
Fig. 193 Engin e co mpa rt m ent: cove r on t he bra ke fluid
reservo ir
Before you check anything in the eng ine com­
partment,
alw ays r ead and heed all WARN­
INGS c:> A in Working in the engine compart­
ment on page 230 .
.. Read t he brake fluid level from the brake
fluid reservoir
c:> fig. 193, c:> fig. 189. The
brake fluid level must be between the "MIN"
and "MAX" markings. .,..

(D Note
Do not mix engine coolant antifreeze or
any other add itives to fi ll u p the w ind­
shie ld washer reservoir.
Checkin g and fillin g 245
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