2014 AUDI A6 Engine light

2 Table of contents Vehicle literature .. .. .. .. .. ... .
5
About this Owner's Manual . . . 6
Controls and equipment ..... .
Instruments and controls ... .
General illustration ......... .. ... .
Instruments and warning/
indicator lights ............... .
Instruments ............ ... .. ... .
Warning/indicator lights ..... ... .. .
Driver information display ... ... ... .
On-Board Diagnostic system (OBD) .. .
Opening and closing .. .. .... . .
Keys .......................... .
Power locking system ............ .
Rear lid ...................... .. .
Child safety lock for the rear doors .. .
Power windows ........... ... .. . .
Valet park ing ................... .
Sliding/tilting sun roof ............ .
Clear vision ................... .
Lights ......................... .
I nter ior lights ................... .
V1s 1on .......... ......... ... ... .
Wiper and washer system ... .... .. .
Mir rors .... .............. ... ... .
Seats and storage ......... ... .
General recommendations ... .... . .
Front seats ..................... .
Head restraints ................. .
Seat memory ................... .
Ashtray .. .. ... ... .... ......... . .
C igarette lighter .............. ... .
12-vo lt sockets .................. .
Storage ........ .............. .. .
Roof rack .... ................ .. .
L uggage compartment ...... ... .. .
Pass-through with ski sack ... .. ... . 8
8
8
11
11
12
24
30
32
32
34
38
40
40
41
41
43
43
46
47
48
so
52
52
53
55
56
58
58
59
59
61
63
65
Warm and cold . . . . . . . . . . . . . . . . 67
Climate controls . . . . . . . . . . . . . . . . . . 67
Three-zone climate control . . . . . . . . . 68 Four-zone
automatic climate control
Steering wheel heating ........... . 70
72
On the road
. . . . . . . . . . . . . . . . . . . 73
Steer ing . . . . . . . . . . . . . . . . . . . . . . . . 73
Starting and stopping the engine . . . . 74
E lectromechanical parking brake . . . . 77
Start-Stop-System . . . . . . . . . . . . . . . . 79
Speed warning system . . . . . . . . . . . . . 82
Cruise control . . . . . . . . . . . . . . . . . . . . 82
Audi adaptive cruise control
and braking guard . . . . . . . . . . . .
84
Introduction . . . . . . . . . . . . . . . . . . . . . 84
Genera l information . . . . . . . . . . . . . . 84
Audi adaptive cruise control . . . . . . . . 86
Audi braking gua rd . . . . . . . . . . . . . . . 90
Messages . . . . . . . . . . . . . . . . . . . . . . . 91
Audi active lane assist . . . . . . . . 93
Active lane assist . . . . . . . . . . . . . . . . . 93
Audi side assist . . . . . . . . . . . . . . . 96
Lane Change Assistant. . . . . . . . . . . . . 96
Audi drive select . . . . . . . . . . . . . . 100
Driving settings . . . . . . . . . . . . . . . . . . 100
Raising/lowering the vehicle . . . . . . . . 102
Driver messages . . . . . . . . . . . . . . . . . . 102
Night vision assistant . . . . . . . . . 103
Night vision assistant with detected
pedes trian marking . . . . . . . . . . . . . . . 103
Automatic Transmission . . . . . . 107
multitronic, S tronic, tiptronic. . . . . . . 107
Parking systems . . . . . . . . . . . . . . 114
General information . . . . . . . . . . . . . . 114
Parking system plus . . . . . . . . . . . . . . . 115
Rearviewcamera ................. 116
Peripheral cameras . . . . . . . . . . . . . . . 119
Adjusting the d isplay and the warning
tones. . . . . . . . . . . . . . . . . . . . . . . . . . . 124

CD
@
®
©
®
®
(j)
Door handle
Audi side assist display
Power locking sw itches
Memory function buttons .. .. .
Aud i side assist button ...... .
A ir vents with thumbwheel
Control lever for:
- T urn signal and high beam
- Audi act ive lane assist . .. .. .
@ Mu ltifunction steering wheel
with:
- Horn
- Driver's airbag
- Driver information system but-
tons ... ..... ....... ... .. .
- Audio/video , telephone, navi­
gation and voice recognition
buttons
- Steering wheel heating . ... .
- Shift padd les (automatic
transmission) ..... ... ... . .
® Instrument cluster ......... .
@ Head-up Display ........... .
@ Windshield washer system
lever ..................... .
@ Buttons for:
- MMI display
- Reset bu tton for tr ip odome-
te r .. .. ... .. ..... ... .. .. .
@ Starting the engine if there is a
malfunction ............... .
~ Knee airbag ........... .. .. .
@ Steer ing whee l adjustment, de­
pending on equipment:
- mechan ical .......... .. .. .
- electrical .... .. ..... ... .. .
@ Leve r for:
- Cru ise control system ... .. .
- Adaptive cruise contro l .. .. .
@ Button for sw itch ing the Head­
up Disp lay on/off, adjusting the
h eight .. ............. .. .. .
@ Instrument illumination ... .. .
@ Eng ine hood release ........ . 96
37
56
96
45
93
151
24
72
111
11
29
48
2 7
76
164
73
73
82
84
29
46
224
In strument s and control s 9
@ Data Link Connector for On
Board Diagnostics (OBD II)
@ Light switch ... .. . .. .... ... .
@ Buttons for :
- All-weather lights
- Night vision assistant .... .. .
- Rear fog lights .. .. .. ..... .
@ Rear lid switch ............. .
~ Power exterior m irror adjust-
30
43
43
103
43
38
ment . . . . . . . . . . . . . . . . . . . . . 50
@ Power w indows . . . . . . . . . . . . . 40
@ MMI display
@ Emergency flashe rs . . . . . . . . . . 44
@ Glove compartment . . . . . . . . . 60
@) Front passenger's airbag . . . . . 151
@ Valet parking feature . . . . . . . . 41
@ Drives (MMI)
@ Buttons/Indicator lights fo r
- Start-Stop-System . . . . . . . . . 79
- Parking system . . . . . . . . . . . . 114
- PASSENG ER AIR BAG OF F . . . . 160
- Rear w indow powe r sun shade 47
- Electron ic Stabilization Con-
t rol . . . . . . . . . . . . . . . . . . . . . 196
@ Climate controls, depending on
vehicle equipment:
- Three-zone cl imate control . . 68
- F our-zone automatic climate
cont rol . . . . . . . . . . . . . . . . . . 70
@ Storage compartment or ash-
t ray wit h cigarette lighter . . . . . S8, 58
@ I S T ART ENGINE STOPI button 74
@ MM I controls
@ 12-volt socket, (upho lder 59, 59
@ E lectromechanical parking
brake . . . . . . . . . . . . . . . . . . . . . 77
@ Selector lever (a utomatic trans-
mission) 107
(D Tips
-Some of the equipment or fea tures
show n in the genera l ill ustration may be
standard equipment on your vehicle or
may be opt ional eq uipment depending
on your model. Always ask your
ll>

Instrument s and warning /indicator lights 11
Instruments and warning/indicator lights
Instruments
Instrument cluster and controls
The instrument cluster is your central source of information.
Fig. 3 Overv iew of the instrument cluster
CD Coolant temperature gauge .. .
@ Tachometer (eng ine rev counter)
@ Turn signals ............... .
@ Display with
®
®
-Driver information system .. .
- Wa rning/ind icator lights
Tachometer Fuel gauge
@ Tips
11
12
45
24
12
12
The instrument illumination (for dials and
needles) turns on when the ignition is on
and the vehicle lights are turned off. As
the daylight fades, the illumination of the
dials likewise dims automatically and wil l
go out completely when the outside light
is very low. This feature is meant to rem ind
you to switch on the headlights when out­
side light conditions become poor.
Engine coolant temperature gauge
The engine coolant gauge CD¢ page 11, fig. 3
only works when the ignition is on. To prevent
damage to your eng ine, please note the fol­
l owing important points:
Engine cold
If only the LEDs at the bottom of the gauge
turn on, the eng ine has not reached operating
temperature yet . Avoid high engine speeds,
heavy engine loads and heavy throttle applica­
tions.
Normal temperature
The engine has reached its operating temper­
ature once the LEDs up to the center of the
gauge turn on under normal driving cond i­
t ions. The LEDs higher up may turn on when
the engine is under heavy load or the exterior
temperature is high. This is no need to worry
as long as the. warning light in the instru­
ment cluster does not illuminate. If the LEDs
in the upper area of the disp lay and the indica­
tor light . in the instrument cluster display
turn on, the coolant temperature is too high
¢page 17.
A WARNING
-Always observe the warn ing in
¢ page 224, before opening the hood
and checking the engine coolant level.

12 Instrum ent s and w arn ing /indic ato r light s
-Never open the engine hood if you see or
hear steam, or if you see engine coolant
dripping from the engine compartment.
You could burn yourself . Let the engine
cool off first until you can no longer see
o r hear steam or coo lant escaping.
@ Note
- Mounting additional lights or accessories
i n front of the a ir inlets reduces the cool­
i ng effect of the rad iator . At h igh outside
temperatures or high eng ine load, the
engine could overheat.
- The front spo iler has been designed to
proper ly distribute the cooling air when
t h e ve hicle is moving.
If the spoiler is
dam aged, th is co uld red uce the cooling
effect and the engine co uld then over­
heat . Ask your authorized Audi dea ler for
assistance .
Tachometer (engine rev counter)
The tachometer indicates the engine RPM
(revolutions per minutes).
If engine RP M drops be low 1,500, yo u should
downshift to the next lower gear. The red a rea
at the end of the sca le indicates maximum
perm iss ib le engine RPM after the break-in pe­
riod. Before reaching this area, move these­
lector lever to position D/S (Drive) or ease
your foot off the accelerator pedal.
(D Note
The tachometer needle should on ly br iefly
be in the red zone: you could damage your
engine! The beginn ing of the red zone var­
ies depending on the engine .
@ For the sake of the environment
Upshifting early saves fuel and reduces en­
gine noise.
Fuel gauge
The fuel gauge only works when the ignition is
on .
If the fuel level d rops below 2 . 6 ga llons (10 liters), the bottom LED turns red and the
indicator light
Em turns on
¢ page 22. The
bottom LED blinks red when the fuel level is
very low.
T he possible range based on the current fuel
level is shown in tab@<=>
page 24, fig . 4 .
(D Note
Never run the tank completely dry. An ir ­
r egular supply of f uel can cause engine
misfiring and fuel could enter the ex ha ust
system . The catalytic converter could then
overheat and be damaged.
Warning/indicator Lights
Description
The ind icator lights in the instrument cluster
blink or turn on. They indicate funct ions or
malfunctions <=>,& .
Messages may appear with some indicato r
lights. A warning signal will sound at the
same t ime. The indicator lights and messages
in the center of the displays may be rep laced
by other d isplays . To show them again, select
the tab for ind icator lights and messages us­
i ng the multifunction steering wheel
Q page 24. If t here are several malfunc­
t ions, you can display them one at a time us­
ing the thumbwheel.
Some indicato rs lights in the d isplay can turn
on in severa l co lors.
A WARNING
- F ailure to heed w arning l igh ts and other
important vehicle in forma tion may res ult
in ser io us personal inj ury or vehicle dam­
age .
- Whenever stalled or stopped for repair, move the vehicle a safe d istance off the
road, stop the engine, and turn on the
emergency flasher<=>
page 44.
-The engine compartment of any motor
veh icle is a potentially hazardous area.
Before you chec k anything in the engine

Instrument s and warnin g/indic ator ligh ts 13
compartment, stop the engine and let it
cool down. Always exercise extreme cau­
t ion when working under the hood
<=> page 224.
@ Tips
Ma lf u nctions or faults wi ll be identified ei­
ther with a red symbo l (pr iority 1 -Dan­
ger!) or with a yellow symbol (pr iority 2 -
Warn ing).
Overview
Some ind icator lights turn on briefly to check
the function of that system when you switch
the ignition on. These systems are ma rked
with a ,/ in the following tables. If one of
these indicator lights does not turn on, there
is a malfunction in that system.
Red indicator lights
Red symbols indicate a prio rity malfunction -
D anger!
- Pull off the road.
- Stop the vehicle.
-Turn off the engine.
- Check the ma lf u nctioning system . Contact
your authorized Audi dea ler or a qualified
workshop for assistance.
USA models :
Brake malfunction ,/
<=>page 15
Canada models :
Brake malfunction,/
¢page 15
USA model s:
Electromechanical parking brake
<=> page 16
Canada m odel s:
Electromechanical parking b ra ke
<=> page 16
Engine cooling system
¢page 17
Engine oil pressure
¢ page 18
Engine o il level
¢ page 18
Battery
¢page 17
Safety belt
¢page 17
Electromechanica l steering ,/
c:>page 198
Electronic steering column lock
¢ page 18
Engine star t sys tem
¢ page 18
Cent ral ind icator light
¢ page 19
USA mod els : Speed warn ing sys­
tem
¢ page82
Canada mod els : Speed warning
system
~ page82
Adaptive cruise control *,/
¢page86
Air su spension *
c:>page 19
Pedestrian wa rning *
¢page 103
Refi ll Ad Bl ue*
¢ page 220
Ad B lue malfunct ion*
¢ pag e220
Yellow indicator lights
Ye llow symbo ls indicate a priority 2 malfunc ­
tion - Warning!
m
llEI
US A mod els : Safety systems
¢ page 19
Canada models : Safety systems
¢ page 19 liJI,

14 Instruments and w . . arn1ng/indicator lights
I
•
• •
•
rl1
Electronic Stab ilization Control
(ESC) ,/
c:> page 19
Electronic Stab ilization Control
(ESC) ./
c:> page 19
USA models:
Anti-lock braking system (ABS)
defective ,/
c:>page 20
Canada models:
Anti-lock braking system (ABS)
defective ,/
c:> page 20
Worn brake pads c:>page 21
Electromechanical parking brake
c:> page 77
~re pressure monitoring system
c:> page258
Tire pressure monitoring system
c:>page 258
Electronic power control./ (al­
ternative to
ml >
c:>page 21
Glow plug system
(a lternative to~ )
c:> page 21
Malfunction indicator La
(MIL),/ mp
c:>page 21
Diesel particulate filter* clogged
c:>page 22
Engine speed limitation
c:>page 22
Engine oil leve l
c:> page 18
Engine oil sensor
c:> poge 22
Battery
c:> page 17
•
m
•
•
g
Tank system
c:> page22
W indshield washer fluid level
c:>page22
Windshield wipers
c:> page22
Remote control key
c:> page 74
Remote control key
c:> page 76
Battery in remote contro l key
c:>page 33
Defective light bulb warnin
c:> page 23
g
Rear fog light(s)
c:> page23
Headlight range control
c:> page23
adaptive light*
c:>page 23
Light -/ra in sensor faulty
c:> page23
Audi active lane ass ist*
c:> page94
Transmiss ion
c:> page 112
Transm iss ion
c:> page 112
Transmission
- S tronic c:>page
112
Electronic steering column lock
c:> page 18
Engine start system
c:> poge 18
Centra l ind icator light
c:> poge 19

Instruments and warning/indicator lights 15
Ill
Ad Blue /9
Ad Blue./'
Electrome chanical stee ring
c::> page 19 8
Air suspens ion*
c::>page 19
Spo rt differentia l*
c::>page23
Refill Ad Blue *
c::>page 220
AdBlue malfunction*
c::> page 220
Other indicator lights
11
II
•
I
•
•
T ur n signa ls
c::>page24
Canada models: C ruis e co ntrol*
c::> pag e82
Adapt ive cruise control*
c::> page86
Adapt ive cr uise contr ol*
c::> page86
Adapt ive cr uise c ontr ol*
c::> page 86
Au di active lane ass ist *
c::> page 94
Start -Stop-System *
c::> page 79
Start -Stop -System *
c::> page 79
High beam
c::> pa ge 45
BRAKE /((J)) Brake system
The li ght illum inates when the igni tion is
sw itche d on.
It goes ou t aft er t he eng ine has been sta
rte d. T his indica tes that the brake
warning light is functioni ng properly.
If the brake warning light does not light up
when the engine is cranking, there may be a malfunction in the electrical system . In this
case, contact your Audi dealer .
If the bra ke sys tem wa rn in g/ ind ic a tor l ight
t u rns o n, there is a brake sys tem m alfu nct ion .
1111 (USA models)/ . (Canada models)
Stop vehicle and check brake fluid level
If the indicator light turns on and the mes­
sage appea rs , proce ed as fo llows:
.,. Pull off t he roa d.
.,. Stop the vehicle.
.,. Tur n off the engi ne.
.,. Check t he b rake fluid level
c::> page 234 .
.,. Con tact yo ur nearest au tho rized re pair fa-
c ility if ne cessa ry.
Warning! Fault in brake system . Contact
dealer
If the ABS ind icator light 9 (USA models)/
(11 (Ca nada mode ls), the ESC ind icator lig ht
Ji1 and the b rake sys te m indicator light
1111 (U SA mo dels)/ . (Canada mode ls) tur n
o n and the message a ppears, t he A BS, ESC
and bra ki ng d istr ibu tio n are no t wo rki ng
c::> ,&. .
Carefully drive to your author ized Audi d ealer
i mmediat ely to have th e malfunct ion correct­
ed
c::> ,&. .
1111 (USA models) /. (Canada models)
Parking brake: system fault! Please contact
dealer
- If the ind icator light and the message ap ­
pear
when stationary or after switch ing the
ignition on ,
check if you can release the
park ing brake . Afte r releasing the parki ng
bra ke, ca refully drive to your au thor ized
Aud i de aler im media tely t o have the mal ­
fu nction cor rect ed. If yo u ca nno t r ele ase the
p arking brake, see k professiona l assistance .
- If the indicator light and the m essage ap -
pe ar
while driving , the e merge ncy b raki ng
fu nction m ay not be avail able.
It ma y not b e .,..

Instruments and warning/indicator lights 17
-L Engine cooling system malfunction
A malfunction in the engine cooling system
must be repaired as soon as possible.
• Switch off engine and check coolant level
If the indicator light turns on and the mes ­
sage appears, the coo lant temperature is too
high or the coo lant level is too low.
.. Pull
off the road.
.. Stop the vehicle .
.. Turn
off the engine.
.. Check coolant level¢
page 232.
.,. Add coolant if necessary¢ page 232 .
.. Continue driving only after the eng ine cool­
ant warn ing/ indicator light goes out .
.. Contact your authorized Audi dealer for as-
sistance if necessary .
If the engine coolant level is correct, then the
radiator fan may be the cause of the malfunc­
tion .
• Coolant temperature too high! Please let
engine run with vehicle stationary
If the indicator light turns on and the mes­
sage appears in trailer mode*, let the engine
run at idle for a few m inutes to cool down.
A WARNING
- If your veh icle should break down for
mechanical or other reasons, park at a
safe distance from moving traffic, turn
off the engine and turn on the hazard
warning lights¢
page 44, Emergency
flasher.
- Never open the hood if you see or hear
steam or coolant escaping from the en­
gine compartment -you risk being scald­
ed. Wait until you can no longer see or
hear steam or coo lant escaping .
- The engine compartment of any vehicle
is a dangerous area. Before you perform
any work in the engine compartment,
turn of the eng ine and allow it to cool.
Follow the warning stickers¢
page 224.
@ Note
Do not continue driving if the . symbol
ill uminates . There is a malfunction in the
engine cooling system -you could damage
your engine.
D Battery
This warning/indicator light detects a mal­
function in the generator or in the vehicle 's
electrical system .
The .warn ing/ indicator light illuminates
when you switch on the ignition and must go
out after the eng ine has started .
• Alternato r fault : Battery is not being
charged
If t he indicator light turns on and the mes­
sage appears, there is a malfunction in the
generator or vehicle electrical system .
Drive to your authorized Audi dealer or quali­
fied workshop immed iate ly. Because the vehi­
cle battery is discharging, turn off all unnec ­
essary e lectrical equipment such as the radio.
Seek professiona l assistance if the battery
charge level is too low.
(•) Low battery: battery will be charged
while driving
If the indicator light turns on and the mes­
sage appears, there may be limited starting
ability .
If this message turns off after a little while,
the battery charged enough while driving.
If the message does not turn
off, have your
authorized Aud i dea ler or qualified workshop
correct the malfunction.
4t Safety belts
This warning/indicator light reminds you to
put on your safety belt.
The . warn ing/ indicator light illum inates
when the ignition is switched on to remind
the driver and any front passenge r to put on ..,.