2012 AUDI A6 coolant reservoir

220 Checking and filling
Checking and filling Engine hood
Releasing the engine hood
The engine hood is released from inside the
vehicle .
Fig. 169 Driver foo twell: release lever
Fig. 170 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. 169.
.,. Raise the hood slightly~.&_ .
... Press the rocker switch under the hood up­
ward
~ fig. 170. 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
~ ,&. .
/n.. 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.
- If work on the fuel system or the electri­
cal system is necessary:
- Always disconnect the battery.

222 Checking and filling
Engine compartment
Engine compartment overview
These are the most important items that you can check.
Fig. 171 Typ ical layout for contai ners and eng ine o il filler cap
(D Jump start point(-) with hex
head screw .... ............. 233, 268
@ Jump start point(+) under a cov-
er .. .. ............... .... . 233,268
@ Brake fluid reservoir ((0)) .. .. .
© Engine oil filler cap ( ® Coolant expansion tank (-L) .. .
® Windshield/headlight washer
t . (.'R) con ainer ,,.., ............ . .
229
225
227
234
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 220.
-
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 t ime 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 will
get the lubrication it needs for proper opera-
tion. ..,.

288 Index
Gauges Engin e coolant t emp erature .. .... .. .. 1 1
F ue l gauge . . . . . . . . . . . . . . . . . . . . . . . . 1 2
Speedometer . . . . . . . . . . . . . . . . . . . . . . 26
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 12
Trip odometer . . . . . . . . . . . . . . . . . . . . . 26
Gene ral i llustration ..... ... .. .. .... .. . 8
Gene rato r (warn ing/ indicato r lights) .... 17
Glossary of t ire and load ing termino logy 236
Glove compartmen t (cooled) ... .. .... . . 56
Gross Veh icle Weig ht Rat ing (GVWR) .. . 274
H
Head-up Display ........... .... .... .. 27
Headlig hts
C leaning system .. ..... ... .. .. .... .. 46
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Headlight range control . . . . . . . . . 22, 41
Washer reservoir ........... .. .... . 234
Head rest raints . . . . . . . . . . . . . . . . . 52, 127
Ad justing . .... .. ..... ... .. .. .... . 127
Front seats . . . . . . . . . . . . . . . . . . . . . . . . 52
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . 52
Remov ing ................. .. .... .. 52
Hea ted
exterior mirrors .. ..... ... .. .. .... .. 48
rear w indow (automatic climate contro l) 67
rear window (cl imate control) . .. ...... 65
seats (au tomatic climate control) . . . . . . 67
seats (cl imate control) . .. .. .. .. .. .. . . 65
windsh ie ld washer spray nozzles .. .... 46
H eating ... .. .. . .. ..... ... .. .. .... .. 63
H eavy clo thing and safety belts . .. .. ... 136
H igh beam . .. .... ........... .. .... .. 43
High voltage warning label . ... .. .. ... 274
H omelink ® universal remote cont rol .. . 120
Hood (release lever) .......... .. .. .. . 220
H orn . .. .. .. .. . ... ....... .. .. .. .. .. . 8
H ow are c hild restra in t sys tem anchors re-
l at ed to child safety ........ .. .. .. .. . 182
How many airbags does my vehicle have? 150
H ow o ften sho uld I check my t ire pres-
sures? .... .. ... ... .... ... .. .. .... . 2 42
H ow safety belt pretensioners wo rk . ... 140
H ydroplaning . .. . ...... ... .. .. .... . 246
I
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 26
Important t hings to do before drivi ng .. 123
Improperly worn safety belts .... .. .. .. 139
In dic ator lights
refer to Warn ing/ indica to r li ghts . .. .. . 12
Infan t seats .. .. .. .......... ...... . 17 4
Installing child safety seats Safety be lts . . . . . . . . . . . . . . . . . . . . . . 179
Installing t he up per te ther s trap on the
an chorage . ..... .. .. .... .... ... .. .. 18 5
Instruments Adjust ing the light ing ............. .. 44
Instruments and controls General illustration . . . . . . . . . . . . . . . . . . 8
I nstrument cluster . . . . . . . . . . . . . . . . . . 11
Interior light ing
Amb ienc e light ing . ... .. .... ... .. .. . 44
Front and rear . .. ............. .... . 44
Inte rmit ten t (w indshie ld w ipers) .. .. .. . 46
J
Jack ... .... .... .. ............. .... 257
Jump-starting ... .. ............. .... 268
Jumper cables ..... ... .. ..... ... .. .. 269
K
Key ...... .. .... .. ................. . 30
B attery replacement maste r key .. .... . 31
E mergency key . . . . . . . . . . . . . . . . . . . . . 30
Key rep lacement ... ... ..... ... .. .. . 30
Master key . . . . . . . . . . . . . . . . . . . . . . . . 30
Mechan ica l key . .. ............. .. .. . 31
Valet key . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Ki ck -down
tiptronic . . . . . . . . . . . . . . . . . . . . 104, 109
K nee a irbags .... ............. ...... 159
Des cription .. .. .. .. ... .... .... .... 159
How they wor k ... ............. .. .. 161
Impo rtant sa fety instructions . .... . .. 161
L
LATCH 182
D esc ription .. .. .. ............. .. .. 183
Installing a ch ild restra int .... .... . .. 18 4