2011 AUDI A3 coolant reservoir

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Closing the engine hood
- Pull the hood down until the pressure from the strut is
reduced.
- Let the hood
drop down and latch in place . Do not try to
push it shut;
it may fail to engage=> &.
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop­
erly, stop at once and close it. •
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 personal injury always
observe the following WARNINGS. The engine compartment of any
vehicle is a hazardous area!~
&
& WARNING
To help avoid injury, before you check anything under the hood :
• Turn off the engine.
• Remove the ignition key.
• Set the parking brake fully.
& WARNING (continued)
• Move selector lever of automatic transmission to "P" (Park);
put manual transmission in Neutral.
• 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 compart­
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire.
• Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm. The coolant system is pressurized and hot coolant 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.
• If work on the fuel system or the electrical system is necessary:
-Always disconnect the battery .
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire.
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine is
running or being started, never touch:
- Ignition cables
- Other components of the high voltage electronic ignition
system.
• If you must perform a check or repair with the engine running: .,_

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©
®
© Engine oil filler cap ('1:'=:?:)
Brake fluid reservoir ( )
Batte ry .... ...... .. .. .. .... ... ... ... .... ... .. .
& WARNING
232
237
238
Before you check anything in the engine compartment , alway s
read and h eed all WARNINGS =>
& in "Work ing in the engine
compartment" on
page 226. •
Applies to vehicle s: with 2.0 l TOI, 4 -cylinder diesel -eng ine
2.0 liter , 4-cylinder turbo diesel engine
(140 hp)
These are the most important items that you can che ck.
Fi g. 1 62 Engine comp artmen t: 2 .0 l, 4 -cyli nder tu rbo
(D Coolant expansion tank (J- ) ... . .. .... .. ... . .. .. .
@ Windshield washer container (~ ) .. .. ... .... .. ... .
235
243
®
©
®
© Engine oil dipstick (orange) ... .. ..... ... ... .... . .
Engine oil filler cap
('1:'=:?:) .................. .. .. . .
Brake fluid reservoi r ( ) ....... ...... ... .. .. .. . .
B atte ry .... . .. .... .. .... ... . .. .. . ... ... .. .. . .
& WARNING
231
232
237
238
Before you check anything in the engine compartment , alway s
r ead and heed all WARNINGS=>
& in "Work ing in the eng ine
compartment " on
page 226 . •
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 powe rp lant t hat was buil t
to exacting spec ifications . Th is engine needs the r ight kind of engine
oil that meets specifications regarding quality and viscosity so that it
can run smoo thly a nd reliably . Choosing the right o il and chang ing oi l
w ith in the time and mileage intervals printed in your vehicle 's
W arranty
& Mainte nance booklet ma tters a lot more today than i t did
years ago. Audi has developed a special quality standard for eng ine oil
t ha t wi ll help assure tha t your veh icle's engi ne will get t he lubri cat io n
it needs for proper operation .
Modern engine lu brication has take n a quantum leap in the last few
years . Many synt het ic oils available today provide be tte r engine lub ri­
cation that can outlast tradit ional petro leum-based oi ls, making
t hem a smart choi ce fo r use througho ut the life of your Aud i.
Whether you use synthetic or petroleum-based engine oil, the oil that
you use mus t conform to A udi's oil quality standard VW 5 02 00 (veh i­
cles wit h gasoline eng ine) and VW 507 00 (vehicle with diese l
eng ine) to help keep your ve hicle's engine runn ing smooth ly and help ..,

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• If, in an emergency, only water can be added, the correct ratio
between water and antifreeze=>
page 234 must be restored as soon
as possible.
~ For the sak e of the environment
Ora i ned coolant should not be reused . Always dispose of used coolant
while observing all environmental regulations .•
Radiator fan
The radiator fan switches on automatically by itself.
T he electric radiator fan is controlled by thermoswitches that switch
on and off depending on coolant a nd engine compartment tempera­
tures.
An auxilia ry e lectr ic rad iator fan* sw itches on a nd off depend ing on
coo lant temperature and other vehicle operation cond itions .
After switch ing off t he engine, the auxiliary fan -even with the igni­
tion off -can continue running for up to 10 minutes . It can even
switch on again later by itself=>& , if
• the temperature of the engine coolant rises due to the hea t build­
up from the engine in the engine compartment, or
• the engine compar tment hea ts up because the vehi cle is parked in
intense sunlight.
& WARNING
• To reduce the risk of personal injur y never tou ch the radi ator
fan .
• The auxiliary ele ctric fan i s temperatur e controll ed and can
switch on sudd enly even wh en the engine is not running .
• The auxiliary radiator f an swit che s on aut omati cally when the
engine coolant reaches a certain temp eratur e and w ill continue to
run until the coolant temperature drop s. •
Vehicle OP-eration
Brake fluid
Checking brake fluid level
The brake fluid level can be checke d with a quick glance.
Fig. 167 Eng ine
compartment : b rak e
fl uid res ervoi r
Before you check a nything in t he engine compartment ,
always read and heed all WARNINGS~ & in "Working in
the eng ine compartment" on
page 226 .
-Read the brake fluid level from the bra ke fluid reservoir.
The brake fluid level must be between the "MIN" and
"MAX" markings ~ fig . 167 .
The brake fluid reservoir is located at the rear partition of the engine
compartment on the left side=>
page 227.
The fluid level may drop
slightly after some time due to the auto­
m atic adjus tment of the brake pads. This is not cause for alarm .
If the brake fluid level falls
considerably below the "MIN" mark, t he
brake warning/ind icator light (U .S. models :
BRAKE, Canadian mode ls:
ill ) will come on=> page 15 and=> page 32. Do not continue to
operate the vehicle . The complete brake system should be thorough ly
chec ked by an au thor ized Aud i deale r o r other qualified facility and
the cause corrected. If the brake fluid leve l is too low, the brake .,,_
Vehicle care Do-it-yourselt service iTechnical data

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0 Note
Do not mix engine coolant antifreeze or any other add itives to fill up
the windshie ld washer reservoir. •