catalytic converter AUDI A5 2015 Owner´s Manual

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Airbag system . . . . . . . . . . . . . . . . . . . . 129
Important information . . . . . . . . . . . . . . . 129
Front ai rb ags . . . . . . . . . . . . . . . . . . . . . . . 133
Mon ito ring the Adv anced A irb ag Sys tem . 139
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 143
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 145
Side curta in a irbags . . . . . . . . . . . . . . . . . . 1 48
Ch ild safety . . . . . . . . . . . . . . . . . . . . . . 151
Important informat ion . . . . . . . . . . . . . . . 151
Ch ild seats . . . . . . . . . . . . . . . . . . . . . . . . . 156
Secur ing c hild seats . . . . . . . . . . . . . . . . . . 160
L A TC H system (Lower anchorages and
tethers for chi ldren) . . . . . . . . . . . . . . . . . . 164
Addit ional info rmation
168
Driver me ssages . . . . . . . . . . . . . . . . . 169
Smart Technology . . . . . . . . . . . . . . . 169
N otice about data recorded by the Event
Data Recorder and vehicle cont rol
modules . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Electronic Stabili za tion Control (ESC) . . . . 170
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Electro -mechanical power assist, dynamic
steer ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Dr iving w ith your quattro . . . . . . . . . . . . . 17 4
E ne rgy management . . . . . . . . . . . . . . . . . 17 5
Driving and the environment . . . . 177
Brea king in . . . . . . . . . . . . . . . . . . . . . . . . . 177
Avoid damaging the vehicle . . . . . . . . . . . . 177
D riving through water on roads . . . . . . . . 17 7
Catalytic converter . . . . . . . . . . . . . . . . . . . 178
Shutting down vehicle . . . . . . . . . . . . . . . . 178
E conomical and environmentally-friend ly
driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Trailer mode . . . . . . . . . . . . . . . . . . . . . . 181
Driving w ith a tra iler . . . . . . . . . . . . . . . . . 181
Trailer mode notes . . . . . . . . . . . . . . . . . . . 183
Operating instructions . . . . . . . . . . . 184
Care and cleaning . . . . . . . . . . . . . . . . 184
Gene ral i nformation . . . . . . . . . . . . . . . . . 184
Car washes . . . . . . . . . . . . . . . . . . . . . . . . . 184
P lacing your veh icle out of se rv ice . . . . . . 185
Tab le of conten ts
Fuel and Refueling . . . . . . . . . . . . . . .
18 6
Fuel. ... .. .... .. .. ... ..... ... .. .. .. 186
Ref ueling . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Checking and Filling . . . . . . . . . . . . . 191
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Engine compartment . . . . . . . . . . . . . . . . . 193
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Cooling system . . . . . . . . . . . . . . . . . . . . . . 196
B rake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 199
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Windsh ield/headlight* washer conta iner. 204
Wheels .. ... ... .. .............. ... 205
Whee ls and T ires . . . . . . . . . . . . . . . . . . . . 205
T ire p ressu re monitoring system 222
Troubleshoot ing . . . . . . . . . . . . . . . . . 2 25
Emergency assistance . . . . . . . . . . . 22 S
Vehicle tool kit . . . . . . . . . . . . . . . . . . . . . . 22 S
Space -saving spa re tire (com pact spare
tire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 25
Replacing whee ls . . . . . . . . . . . . . . . . . . . . 226
Fuses and bulbs . . . . . . . . . . . . . . . . . . 232
Fuses ... .. .... .. .. ... ..... ... .. .. .. 232
B ul bs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Emergency situations . . . . . . . . . . . . 236
Genera l . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Starting by pushing or towing . . . . . . . . . . 236
Starting with jumper cables . . . . . . . . . . . 236
Use of jumpe r cables . . . . . . . . . . . . . . . . . 237
T owing with a tow truc k . . . . . . . . . . . . . . . 238
Raising the vehicle . . . . . . . . . . . . . . . . . . . 240
Technical data . . . . . . . . . . . . . . . . . . . . 24 1
Technical data . . . . . . . . . . . . . . . . . . . . 241
V ehicle identification . . . . . . . . . . . . . . . . . 241
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Di mens ions . . . . . . . . . . . . . . . . . . . . . . . . . 242
C apacities . . . . . . . . . . . . . . . . . . . . . . . . . . 2 42
Gasoline engines . . . . . . . . . . . . . . . . . . . . 243
Consumer information .. .. .. .. .. 2 4 4
Warranty cove rages . . . . . . . . . . . . . . . . . . 2 44
Operating your ve hicle outside the U.S.A.
or Canada . . . . . . . . . . . . . . . . . . . . . . . . . . 244
3

Instruments and indicator Lights
the I SET! button, you delete the warning thresh­
old.
Digital clock with date display and
Odometer
Fig. 5 Instrument cluster: odometer
Fig. 6 Instrument cluster: reset button
Digital clock/GPS controlled clock*
Depending on the vehicle equipment level, you
may choose between the quartz clock or the GPS
controlled clock*~ in the radio or in the MMI*.
You can learn more about this in the MMI manual
or in the radio user's manual.
Odometer/trip odometer
The display of distance driven is shown in kilome­
ters "km" or in miles "mi".
- USA models -Miles
- Canada models - Kilometers
The units of measure (kilometers/miles) can be changed in the radio or MMI* . You can learn more
about this in the MMI manual or in the radio us­
er's manual.
The odometer @ shows the total number of kilo ­
meters or miles that have been driven on the ve­
hicle .
12
The trip odometer @ shows the distance driven
since it was last reset.
It can be used to measure
short distances. The last digit shows distances of
100 meters or 1/10 of a mile .
The trip odometer can be reset to zero by press­
ing the reset button
!O.OI ~ fig. 6.
Malfunction message
If there is a malfunction somewhere in the in­
strument cluster,
DEF will appear in the tripod­
ometer and will stay on. Contact your authorized
Audi dealer to have the problem corrected.
Immobilizer
When the ignition is switched on, the data on the
ignition key are scanned automatically.
If an unauthorized key was used,
SAFE is dis­
played permanently in the odometer display
field . The vehicle cannot be operated
¢page 32.
{i) Tips
-When you switch off the ignition or open
the driver door, the time, date, odometer
and temperature are displayed for an addi­
tional
30 seconds.
- You can also call up the display with the
!SET ! button¢ page 11 while the ignition is
switched off.
Fuel gauge
The fuel gauge works only when the ignition is on.
When the needle reaches the red area, the warn­
ing
lightliD in the instrument cluster will illumi­
nate¢
page 20. Time to refuel!
The total tank capacity of your vehicle is listed in
¢page 242.
(D Note
Never run the tank completely dry! An irregu­
lar supply of fuel can cause engine misfiring
and fuel could enter into the exhaust system.
The catalytic converter could then overheat
and be damaged.

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the possibility to reset the oi l change schedu le af ­
ter having performed an oil change according to
Audi specif ications. Select
ICARI function button
> Service interval display > Reset oil change in­
terval
or I CAR ! function button > Car systems*
control button > Servicing & checks > Reset oil
change interval.
(D Note
- Only reset the oil change d isp lay when you
have completed an oil change .
- If you d isconnect the battery terminals, no
calculations can be made for the service in­
terval display during this t ime and no serv­
i ce reminder will appear . Remember that
obse rv in g the proper serv ice intervals is vi­
tally impor tant to extending the life of your
vehicle, particularly the engine, and main­
taining its value. Even if the mi leage driven
i s low, the maximum period of one year
from one service to the next must not be ex­
ceeded.
(D Tips
The information in the Service Reminder re­
mains stored even when the veh icle battery is
disconnected.
On Board Diagnostic
System (OBD)
Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIL) ¢-4 in the
instrument cluster is part of the On-Board Diag ­
nostic (OBD II) system.
The warning/indicator light illuminates when the
ignition is switched on and goes out after the en­
gine starts and the idle has stabilized. This indi­
cates that the MIL is working properly.
If the light does not go out after the engine is
started, or illuminates while you are driving, a malfunct ion may exist in the engine system. If
the light illuminates, the catalytic converter
could be damaged.
Continue driving
with reduced power (avoiding
sustained high speeds and/or rapid accelerations)
Dri ver information system
and have the condition corrected. Contact your
authorized Audi dea ler.
If t he light illuminates, the electronic speed lim­
ite r may also be ma lf u nctioning. For more infor­
mation
¢ page 30, Electronic speed limiter .
An improperly closed fuel filler cap may also
cause the MIL light to illuminate ¢
page 188.
On-Board Diagnostics
Fig. 18 Locat ion of Data Link Connector (DLC)
On-Board D iagnost ics monitors the components
of your emission control system. Each monito red
component in your engine system has been as­
signed a code. In case of a malfunction, the com­
ponent will be ident ified and the fault stored as a
code in the control module memory.
T he MIL light may also illum inate if there is a
leak in the on-board fuel vapo r recovery system .
If the light illuminates after a refueling, stop the
vehicle and make sure the fuel filler cap is prop­
erly closed
¢ page 188.
In order to make an accurate diagnosis, the stor­
ed data can only be displayed using special diag­
nostic equipment (generic scan tool for OBD).
In order to connect the spec ial diagnostic equip­
ment, push the plug into the Data Lin k Connec tor
(DLC). The DLC is located to the right of the hood
release
¢ fig. 18.
Your authorized Audi deale r or qualified work­
shop can interpre t the code and perform the nec-
essary repair. .,,.
29

Driving and th e environment
(D Tips
- Check the depth of the water before driving
through it.
- Do not stop the veh icle, drive in reverse or
switch the engine
off when driving through
water.
- Keep in mind that oncoming vehicles may
create waves that raise the water level and
make it too deep for your vehicle to dr ive
through safely.
- Avoid driving through sa lt water because it
can cause corrosion.
Catalytic converter
It is very important that your emission control
system (catalytic converter) is functioning prop­ erly to ensure that your vehicle is running in an
environmentally sound manner .
~ Always use lead-free gasoline¢ page 186,
Fuel supply .
~ Never run the tank down a ll the way to empty .
~ Never put too much motor oil in your engine
¢ page 195, 9::?1 Adding engine oil .
~ Never try to push- or tow -start your veh icle.
The cata lytic conve rter is an eff icient "clean-up"
dev ice bu ilt into the exhaust system of the vehi­
cle. The cataly tic converter burns many of the
pollutants in the exhaust gas before they are re ­
leased into the atmosphere.
The ex clusive use of u nleaded fuel is critically im­
por tant for the life of the catalyt ic converte r and
p roper functioning o f the engine.
A WARNING ,..___ -
- The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never touch the exha ust tail pipes once they
have become hot. This could result in burns.
- Do not park o r operate the vehicle in areas
whe re the hot exhaust system may come in
contact with dry grass, brush, fue l spill or
other mater ial which can cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exha ust man i-
178
fold, exha ust pipes, catalytic converter or
heat shields. During driv ing, the substance
used for undercoat ing could overheat and
cause a f ire.
Cl) Note
- Be aware that just one tank fill ing with
le ad·
ed
fue l w ill already ser iously degrade the
performance of the catalytic converter.
- Do not exceed the correct engine oil level
¢page 195.
-Do not drive until the fue l tank becomes
completely empty. The engine co uld m isfire.
Unburned fuel could also get into the ex­
haust system and this could cause the cata­
lyt ic converter to overheat.
- Do not turn
off the ignition while the vehicle
is moving .
- Do not continue to operate your veh icle un­
der these conditions, as otherwise fuel can
reach the catalytic converter . This could re­
sult in overheating of the conve rter, requ ir­
ing its replacement.
- T o assure efficient operation of the Emission
Cont ro l System:
- Have your vehicle maintained properly and
in accordance with the se rvice recommen­
dations in yo ur Warranty
& Maintenance
booklet.
- Lack of proper maintenance as we ll as im­
proper use of the vehicle will impair the
function of the emission control system
and could lead to damage.
(® For the sake of the environment
Even when the Emiss ion C ontrol System is op­
e rat ing proper ly, the exhaust gas can have a
sulfur-like exhaust gas sme ll under some op­
erat ing states. This depends on the sulfur
content of the fuel being used. Us ing a d iffe r­
ent brand of fue l may he lp, or fi llin g the tank
wi th lead-free s uper grade gaso line.
Shutting down vehicle
If you would like you r vehicle to remai n inope ra­
tive for a longer period of time, con tact an Audi
o r other spec ia liz ed dealer. They can adv ise you .,.

Driving and th e environment
Regular maintenance
A badly tuned engine unnecessarily wastes a lot
of fuel .
.,. Have your vehicle serviced at regula r intervals.
By having your vehicle regularly serviced by an
authorized Audi dealer he lps to ensure that it
runs properly and economically. The condition of
your vehicle not only affects its safety and ability to hold its value, it also affects
f uel c onsump­
tion .
C he ck you r oil e ach t ime you fill you r ta nk .
The amount of oil used is related to engine load
and speed.
It is normal for the oil consumption of a new en­
g ine to reach its lowes t va lue after a cer tain mile ­
age has been d riven .
You must d rive you r vehicle about 3,000 miles
(5 ,000 k ilometers) before you can properly as­
sess o il cons umption .
This a lso applies to fuel consumption and engine
output.
(D Note
- Have your vehicle maintained properly and
in accordance w ith the service recommenda­
tions in you r Warra nty
& M aintenance book­
l et . Lack of p roper m aintenance as well as
i mprope r use of the vehicle will impair the
funct ion of the emission control system and
could lead to damage.
- Do not a lter or remove any component of
the Emission Cont ro l System unless ap­
proved by the manufacturer.
- Do not a lter o r remove any dev ice, such as
heat shie lds, switches, ignition wires,
va lves, which are designed to protect your
vehicle's Emiss ion Control System and other
i mportant veh icle components.
180
· Fewer short trips
Fuel consumption will always be relatively high
on short trips .
.,. Try to avoid dr iv ing short distances with a cold
eng ine .
The eng ine and catalytic converter have to reach
their opt imal
oper atin g temperature to reduce
fuel consumpt ion and noxious emissions effec­
tively .
Just after starting, a co ld engine in a mid-s ize car
on ly achieves a fuel economy of 6-8 mi les per
gallon (30-40 l/100 km). After about a half a
mile, fuel economy climbs to 12 mpg (20 l/100
km) . After about
2.5 miles (4 km), the eng ine is
at its proper operating temperature and fuel
economy has reached a norma l level. So you can
see that you should avo id short trips whenever
poss ible .
The
out side t emp eratur e is also cr itical in th is re­
gard. Your car consumes more fuel in the winter
than in the summer.

Fuel and Refueling
Fuel and Refueling
Fuel
Fuel supply
Using the right fuel helps keep the environment
clean and prevents engine damage.
Fuel recommendation
The fuel recommended for your vehicle is unlead­
ed premium
grade gasoline. Audi recommends
using TOP TIER Detergent Gasoline with a mini­ mum octane rating of 91 AKI (95 RON). For more
information on TOP TIER Detergent Gasoline,
please go to the official website
(www.toptiergas.com).
The recommended gasoline octane rating for
your eng ine can also be found on a label located
on the ins ide of the fuel filler flap. This rating
may be specified as AKI or RON.
Your vehicle may also be operated using unlead­
ed regular gasoline with a minimum octane rat­ ing of 87 AKl/91 RON . However, using 87 AKl/91
RON octane fue l will s lightly reduce eng ine per­
formance.
Use unleaded gasoline only. Unleaded gasoline
is available throughout the USA, Canada, and in
most European countries. We recommend that
you do not take your vehicle to areas or countries
where unleaded gasoline may not be available.
For more informat ion on refueling your vehicle,
see
~page 188.
Octane rating
Octane rating ind icates a gasoline's ability to re­
sist engine damaging "knock" caused by prema­
ture ignition and detonation. Therefore, buying
the correct grade of gasoline is very important to
he lp prevent possible eng ine damage and a loss
of engine performance.
Gasoline most commonly used in the United
States and Canada has the following octane rat­
i n gs that can usually be found on the filler pump:
- Premium Grade : 91 - 96 AKI
- Regular Grade: 87 -90 AKI
186
Explanation of the abbreviations:
AKI= Anti Knock Index= (R+M)/2 = (RON+MON)/
2
RON = Re search Octane Number
MON= Motor Octane Number.
CJ) Note
- Do not use any fuel with octane ratings low­
er than 87 AKI or 91 RON otherwise expen­
sive engine damage will occur.
- Do
not use leaded gasoline. The use of lead­
ed gasoline will severely damage your vehi­
cle's catalytic converter and its ability to
control exhaust emissions.
Blended gasoline
Use of gasoline containing alcohol or MTBE
( methyl tertiary butyl ether)
You may use unleaded gasoline blended with a l­
cohol or MTBE (commonly referred to as oxygen­
ates) if the blended mixture mee ts the following
criteria:
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
- Anti-knock index must be 87 AKI or h igher .
- Blend must contain no more than 3% metha-
nol.
- Blend must contain more than 2% co-solvents.
Blend of gasoline and ethanol (grain alcohol or
ethyl alcohol)
-Anti-knock index must be 87 AKI or h igher.
- Blend must not contain more than 1S% etha-
nol.
- Veh icles with flex ible fuel engine: blend must
not contain more than 85% ethanol.
Blend of gasoline and MTBE
-Anti-knock index must be 87 AKI or higher.
- Blend must contain not more than 15% MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform es­
pecially well for winter or summer dr iv ing . Dur-
i ng seasonal change-over, we suggest that you ""

Fuel and R efue lin g
Gasoline additives
A major concern among many auto manufactur­
ers is carbon deposit build- up ca used by the type
of gasoline you use.
Although gasoline grades differ from one manu­
facturer to another, they have certa in things in
common. All gaso line grades contain substances
that can cause deposits to collect on v ita l engine
parts, such as fue l injectors and intake valves. Al­
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective.
Audi recommends using TOP T IER Detergent Gas­
oline. For more information on TOP TIER Deter­
gent Gasoline, please go to the officia l website
(www.toptiergas.com).
After an extended period of using inadequate
fue ls, built-up carbon deposits can rob your en­
g ine of peak performance .
CD Note
-Damage or ma lf u nction due to poor fuel
quality is not covered by the Aud i New Vehi­
cle Limited Warranty .
- Do not add aftermarket f uel addit ive prod­
ucts to your fuel tank.
Refueling
Fuel filler neck
The fuel f iller neck is located on the r ight rear
side panel behind the fuel f iller flap .
If the power Locking system should fail, you can
still open the flap manually -for deta iled instruc­
tions seer:>
page 190 .
You can find the fue l tank capacity of your vehicle
in
c:>page242 .
The label on the inside of the fuel filler flap tells
you the correct fuel for your vehicle. For more in­
formation about fue l specifications, see
c:> page 186 .
Your vehicle fuel tank has an on -board refuelling
vapor recovery system . This feature helps to pre­
vent fuel vapors from escaping from the tank and
188
po lluting the environment while you refuel your
vehicle. In order to fi ll the tank properly while
protecting the environment, please follow this
refueling procedure carefu lly.
A WARNING
Under normal operating conditions, never car­
ry additional fuel containers in your car. Gas
can isters and other containers used to trans­
port fuel can be dangerous. Such containers,
fu ll or empty, may leak and could ca use a fire
in a co llision.
If you must tra nsport f uel to
use for your lawn mower, snow blower, etc.,
be very careful and always observe local and
state laws regarding the use, transportation
and storage of such fue l containers . Make cer­
tain the container meets industry standards (ANSI/ASTM F852 -86).
CD Note
Never drive your vehicle until the fue l tank is
complete ly empty. The irregular supply of
f u el can cause misfiring. Gasoline could enter
the exhaust system and damage the catalytic
converter.
Refuelling
Fig. 155 R ig ht rea r ve hicle side : Open ing t he fue l filler flap
Fig. 156 Fuel fi ller flap w ith attac hed fue l cap