2010 AUDI A5 COUPE coolant reservoir

Checking and filling IJI
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•
Closing the engine hood
-Pull the hood down until the pressure from the struts 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.
• Apply the parking brake .
& 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: ..,
Vehicle care
I t •

-Checking and filling
---=---------------
& W
ARNING (continued )
-First, fully apply the park ing brake, move selector lever of
automatic transmission to "P " (Park ); put manual transmission
in Neutral.
- Alway s use extreme c aution to prevent clothing , jewel ry , or
long hair from gettin g caught in the radiator fan , V-belts or
other moving parts , or from contacting hot parts. Tie back hair
before starting , and do not wear clothing that will hang or
droop into the engine .
• Minimize exposure to emission and chemi cal hazard s
=> &.
& WARNING
Californ ia Proposition 65 Warning :
• Engine exhaust , some of its constituents , and certa in vehicle
component s contain or emit chemicals known to the State of Cali­
fornia to cause cancer and birth defe cts and reproductive h arm . In
addition, certain fluid s contained in vehicles and certain products
of component wear contain or emit chem icals known to the State
of California to cause cancer and birth defects or other reproduc ­
tive harm.
• Battery posts , terminals and related ac cessories contain lead
and lead compounds , chem icals known to the State of California
to cause cancer and reproductive harms. Wash hand s after
handling .
0 Note
When adding fluids, always make sure that the y are poured into the
proper container or filler opening, otherwise serious damage to
vehicle systems will occur .
<£' For the sake of the environment
To detect leaks in t ime, inspect th e ve hicle floor pan from unde r­
neath regularly. If you see spots from oil or other vehic le fluids, have
you r ve hicle i nsp ected by a n authori zed Audi dealer .•
Engine compartment
Engine compartment
Thes e are the most impor tant items tha t yo u can check .
Fig. 22 2 Typic al l ayout for containe rs and engine oil filler cap
G) Jump start poin t(+ ) under a cover ..... .... .... ... 28 4, 327
® Brake fluid reservoir I l . . . . . . . . . . . . . . . . . . . . . . . . 280
© E ngine oil fi ller cap ("1:::r.l . . . . . . . . . . . . . . . . . . . . . . . . 275
0 Coolant expansion tank (-L l . . . . . . . . . . . . . . . . . . . . . . 278
© Jump sta rt point( -) with hex head screw ........ ... 28 4, 327 ~

•---=C:.:h..:. e=-= c..:.k :..:.in :..:.:= g:.....= a..:.n :.:d::....:. f.:.:il .:.:li ..:.n :..::g~ --------------------------------------------
0 Not e
• Coolant pollutes the environment and cou ld cause an engine
fire. Excess coolant will be forced out through the pressure relief
valve in the cap when the engine becomes hot.
• If, in an emergency, only water can be added, the correct ratio
between water and antifreeze ~
page 277 must be restored as soon
as possible .
ci> For the sake of the environment
Dra ined coolant should not be reused . Always dispose of used
coolant whi le observing all environmental regulations. •
Radiator fan
The radiator fan switches on automatically by itself.
The rad iator fan is driven by the eng ine v ia the V-be lt . The v iscous
clutch regulates the speed of the fan according to the tempera ture
of the coo lant .
An auxiliary electric radiator fan * swi tches on and off depending on
coo lant temperature and other vehicle operating conditions.
After you switch the engine off, the auxiliary fan can continue running for up to 10 minut es -even with th e igni tion o ff. It can even
switch o n again later by itself~ & , if
• the temperature of the engine coo lant rises due to the heat
bui ld -up from the engine in the engine compartment, o r
• the engine compartment heats up because the vehic le is parked
in intense sun light.
& WARNING
• To reduce the ri sk of per sonal injury never tou ch the radiator
f a n.
& W AR N ING (continu ed )
• The auxiliary e le ctri c fan i s temperature controlled and can
s w itch on suddenly even when the engine is not running .
• The auxiliary radiator fan swit ches on automatically when the
engine coolant reache s a ce rtain temperature and will con tinue to
run until the coolant t emperatur e drop s. •
Brake fluid
Checking brake fluid level
Th e brake fluid level c an be checked with a quick glance.
Fig . 22 6 En gin e
co mp art m ent : B ra ke
fl uid re servoir
Befo re yo u c heck anything in th e en gin e compar tme nt,
always read and heed all WARNINGS~ & in "Working in
the eng ine compartment" on
page 271 .
Read the brake fl uid level from the bra ke fluid reservoir
~ fig . 226. T he b rake fluid leve l must be betwee n the
" M IN " and "MAX" markings.
The brake fluid reservoir is located at the rear partition of the engine
compartment on the left side~
page 272 . .,_

___ C_h_ e_ c_k _in --== g'-- a_n _d_ f_il _li _n ..:::g:::..- ___________________________________________ _
Windshield/headlight * washer
container
F ig . 228 Engi ne
co mpa rtm ent: Wi nd­
s hiel d and hea dlight*
w ash er flui d cont ain er
The washer fluid containe r is marked with the symbol¢ on
its cap .
- Before you check anything in the engine compartment,
always r ead and heed all WARNINGS ~
& in "Working
in the engi ne compartment" on
page 271.
- Lift the filler cap tongue to add washer fluid. You can fill
the container to the top.
- Press the cap back onto the filler neck after filling the
container.
You can find the reservoir ca pacity in the table in=> page 337.
To prevent lime residue from building up on the spray jets, use
distilled water when refil ling . Always add a glass cleaner solution
(with frost protection in the winter).
(D N ote
Do not mix engine coolant antifreeze or any other additives to fill up
the windshield washer reservoir. •

___ A_l.:,. p _h_ a_ b_e _t _ic _ a_l _in _ d_e _x ____________________________________________ _
Glossary of tire and loading terminology
288
New tires and wheels . . . . . . . . . . . . . 299
Tires and vehicle load limits ... .... 295
When must a safety belt be replaced? . . 182
When must the airbag system be inspected? 199
When should I adjust the tire pressures?
294 T
ires ... .. .... ..... .. ... ... .... . 240
Windows .. ... ...... ...... ...... 256
Winter tires ...... ...... .... ... .. ... 304
All -wheel drive ................ ... 304
Wiper blades Installing new wipe r blades ..... .... 63
X
When should I check the tire pressures? 294 Xenon headlights ....... ...... ... 56, 324
Where can I find the tire pressures for my
car? .......................... 293
Why safety belts? . . . . . . . . . . . . . . . 179 , 180
Window regulators Malfunctions ...... .... ........... 50
Power locks ........... .. .... .... . 49
Windows Cleaning ........................ 256
Windshield defogging/defrosting 95, 102
Windshield washer fluid Low level ... .. .... .... ...... ... .. 35
Windshield wiper Insta lling new wiper b lades ......... 63
Windshield wipers .... ....... ....... . 61
Faulty ... ................ .... .... 37
Service position . . . . . . . . . . . . . . . . . . 62
Washer reservoir . . . . . . . . . . . . . . . . . 286
Winter operation Battery . . . . . . . . . . . . . . . . . . . . . . . . . 281
Coolant system ............. .... . 277
Defrosting windows ... ...... .. 95, 102
Front seat heating . . . . . . . . . . . . . . . . 105
y
Yellow symbols .. ....... ....... .. .... 32