suspension AUDI RS7 SPORTBACK 2015 Owners Manual

12 Instrum ent s and w arn ing /indic ato r light s
in serious persona l injury or vehicle
damage.
- Whenever sta lled or stopped for repair,
move the vehicle a safe distance off the
road, stop the engine, and turn on the
emergency flasher
¢ page 45.
- The engine compartment of any motor vehicle is a potentially hazardous area.
Before you check anything in the engine
compartment, stop the engine and let it
cool down. Always exercise extreme cau­
t ion when wor king under the hood
¢page 211.
Overview
Some ind icator lights tu rn o n briefly to check
the function of that system when yo u switch
the ignition on. These systems are marked
with a ./ in the fo llowing tab les. If one of
these ind icator lights does not turn on, there
is a malfunction in that system .
Red ind icator light s
-------------
USA mo del s:
Brake malfunct ion ./
¢page 14
Safety belt
¢page 16
Electromechanical steering ./
¢page 192
Electronic steering column lock
¢page 17
Engine start system
¢page 17
Centra l indicator light
¢ page 18
USA model s: Speed warning
sys tem
¢ page 78
Canada models : Speed warning
system
¢ page 78
Adaptive cruise control *./
¢page83
Air suspension *
¢page 17
Pedestr ian warning*
~ page 99
Rear spoiler
¢page 190
Canad a mod els :
Brake malfunction ./
¢page 14
Yello w ind ic a to r lights
U SA mo dels:
El ectromechanical pa rking
brake
¢ page 15
Canada model s:
Electromechanical parking
brake
¢ page 15
Engine cooling system
¢page 15
Engine oil pressure
¢page 16
Engine oil leve l
¢page 17
Battery
¢page 16
-------------
USA m odels: Safety sy stems
¢ page 18
Canada mod els: Safety systems
¢ page 18
Electronic Stabilization Control
(ESC) ./
¢page 18
Electronic Stabilization Control
(ESC) ./
¢page 18
Electronic Stabilization Cont ro l
(ESC) ./
¢page 187
USA m odel s:
Ant i- lock bra king system (ABS)
de fect ive ./
¢page 18 ..,.

M N
0:: <.J 'SI: ,...., \!) 1.1'1 ,...., 1.1'1 ,....,
Instrument s and warnin g/indic ator ligh ts 13
Canada m odel s:
Anti-lock braking system (ABS)
defective ,/
¢ page 18
Worn brake pads ¢page 19
Electromechanical parking
brake
¢ page 15
Tire pressure monitoring sys­ tem./
¢ page 255
Tir e p ress ure monitoring sys­
tem
¢ page 255
Electronic power control./
¢ page 19
Malfunction indicator Lamp
(MIL),/
¢page 20
Engine speed limitation
¢ page 20
Engine oil leve l
¢ page 17
Engine oil sensor
¢ page 20
Request to warm engine by
driving
¢ page 20
Battery
¢ page 16
Tank system
¢page 20
Windshield washer fluid leve l
¢ page 20
Windshield wipers ¢ page 21
Remote control key
¢ page 74
Remote control key
¢ page 76
Battery in remote control key
¢ page 32
/:
Defective light bulb warning
c:::> page 21
Rear fog light(s)
c:::> page 21
Headlight range control
c:::> page 21
adaptive light*
c:::> page 21
L ight-/ra in sensor fa ulty
c:::>page 21
Aud i active lane ass ist*
c:::> page 91
Adapt ive dampers*
c:::>page 21
Transm iss ion
c:::> page 107
Electronic steering column lock
c:::> page 17
Eng ine start system
c:::>page 17
Centra l ind icator light
c:::> page 18
E lectromechanica l steering, dy­
namic steering* ,/
c:::> page 192
A ir suspension*
c:::> page 17
Sport d ifferent ial*
c:::> page 21
Rear spoiler
c:::> page 190
Other indicator light s
-------------
Turn signals
c:::> page22
USA model s: Cruise control *
c:::> page 79
Canada models: C ruise control*
c:::> page 79
Adapt ive cr uise control*
c:::> page 83
Adapt ive cr uise control*
c:::> page 83

M N
0:: <.J 'SI: ,...., \!) 1.1"1 ,...., 1.1"1 ,....,
Instruments and warning/indicator lights 17
level warning a. By then, your engine
may already have suffered serious dam­
age.
!::. , Engine oil level
• WARNING: Please add oil immediately
If the indicator lig ht and the driver message
ap pear , add eng ine oi l immediately
¢page 213.
Ill Add oil , max. x qt (l). You may continue
driving
Wh en the sy mbol and t he dr ive r m essage ap­
pea r, a dd t he am oun t of oil a pp ear ing in t he
d is pl ay at the ne xt opport uni ty
¢ page 213.
~ - Steering column lock
• Do not drive vehicle: Steering defective
If the ind ic a to r lig ht tur ns on and t he mes­
sage ap pears, the re is an ele ct ro nic steer ing
col umn loc k ma lf u nction. You ca nnot switch
the ign ition on.
D o
not to w y our ve hicle bec ause it c annot be
steere d. Seek pro fes sional assistance.
Ill Steering lock: system fault. P lease con­
tact dealer
If the i ndicator lig ht tu rns on and the mes­
sage ap pears, the re is a n elect ro nic s teer ing
col umn loc k ma lfunction .
Drive to yo ur authorized Audi dea ler immedi­
ately to have the malfunction cor rected.
A WARNING
Y our veh icle mus t not be towed in the
eve nt of a malfun ct ion in th e ele ctron ic
s teeri ng colu mn lock becau se i t ca nno t be
steered due t o the l ocked s tee ring. If it is
t owed w ith the stee ring loc ked, there is
the risk of an accident .
©-. Engine start system
• Engine sta rt system fault. Please contact
dealer
I f the indica tor ligh t turns on and the mes ­
sage a ppears , do
not switch the ign ition off
because you may not be ab le to sw itch it on
again.
Drive to your authori zed A udi dealer immedi ­
ate ly to have the ma lfunction corrected .
Ill Engine start system fault . Please contact
dealer
If t h e i ndica to r ligh t turns on and the m es­
sage appea rs, t here is a malf unctio n in the en­
gine start system.
D rive to your author ized A udi dealer immed i­
ate ly to have th e ma lfunction corr ected .
0 Air suspension
Applies to vehicles : wit h air suspensio n
• Air suspension: system fault. Can contin­
ue slowly with max . 35 mph .
There is a malfunction that can result in re­
stricte d driving stability.
Carefully drive at a maximum speed of 35
mph (60 km/h) to your authorized Audi dealer
o r q ualified wor ks h op to have the ma lf u nc tion
correc ted.
• Air suspens ion: service mode. Vehicle can
only be moved with restrictions
Carefu lly drive to your author ized Audi dealer
o r qualified works hop immed iate ly to have
the service mode deactivated.
II Ai r suspension fault
The re is a system mal func tion th at ca n res ult
i n rest ric te d d rivi ng stability or redu ced
g ro und clea rance.
D rive to your au th oriz ed A udi dealer immed i­
ate ly to h ave the mal func tion correc ted.
II Air suspension: vehicle too low. Ground
clearance reduced
The ground clearance is very low due to a sys­
tem malfunction . Wa it until the air suspe n­
s io n system has resto red no rma l groun d clear­
an ce . Ot he rwis e, cond it ions su ch as an uneven
r oad su rfa ce can lead to vehicle damage .

M N
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Instruments and warning/indicator lights 21
If the symbol illuminates, add windshield
washer fluid to the washer system/headlight
washer system* ~
page 224.
O Windshield wipers
m Windshield wiper defective
There is a malfunction with the windshield
wipers.
Drive to your authorized Aud i dea le r im medi­
ately to have the mal function cor rected .
~/0$ Defective light bulb warning
J:i -If the ind icator light turns on, a bulb has
failed. The message indicates the location of
the bulb.
IJ-if a rear fog lamp has failed, the indicator
light t urns on to indicate the location on the
vehicle.
Vehicle lights: malfunction
If the message appears, there is a malfunc­
tion in the headlights or lig ht switch.
Drive to you r authorized Aud i dealer immedi­
ately to have the malfunction corrected.
A WARNING
- Light bulbs are pressurized and could ex­
plode whi le they are being changed caus­
ing serious personal injury.
- Work with due care when handling the
high-voltage section of gas discharge
(xenon) lights. Failure to do so could re­
sult in death or serious injury.
(D Tips
Have the bulb replaced or the connection
repaired by you r aut horized Aud i Service
department.
~ID Headlight range control
II Headlight range control: defective!
If the symbol illuminates, the headlight range
control is no longer working properly . Have the system checked and
repaired at your A udi
dealer.
· go Adaptive Light
Applies to vehicles : with Adaptive Light
m;J Audi adaptive light: system fault
If the indicator light turns on and this mes­
sage appears, there is a malfunction in the
adaptive light system . The headlights sti ll
function.
Go to an authorized dealership to have the
headlights or the control unit for the Adaptive
Light repaired.
/i.O Light/rain sensor
El Automatic headlights/automatic wipers:
system fault
If the indicator light turns on and this mes ­
sage appears, the light/rain sensor is not
funct ioning correct ly.
For safety reasons the low beams are tur ned
on permanently with the switch in
AUTO.
However, you can continue to turn the lights
on and off using the light switch. You can st ill
control all functions that are independent of
the ra in sensor through the w indshield wiper
lever .
Contact your authorized Audi dealer as soon
as possible to have the problem corrected .
; Adaptive dampers
Applies to vehicles: with adaptive dampers
II Suspension: System fault! You can con­
tinue driving
If the II symbol in the d isplay comes on,
there is a malfunction in the adaptive damp­
ers. Please go to an authorized Aud i dealer or
other qualified workshop to have the malfunc­
tion repa ired .
1--! Sport differential
Applies to vehicles: with sport different ial
I'll Sport differential: system fault

96 Audi drive select
Audi drive select Driving settings
Introduction
Audi drive select makes it possible to experi­
ence different types of vehicle settings in one
vehicle. The driver can select three
Comfort ,
Auto and Dynamic modes in the MMI to
switch between a sporty and a comfortable
driving mode.
You can also adjust the setting according to
your preferences in the
Individual mode . For
example, you can combine settings such as a
sporty engine tuning with comfortable steer­
ing.
A WARNING
Improper use of the Audi drive select can
cause collisions, other accidents and seri­
ous personal injury.
Description
The following systems are affected by drive
select:
Engine and transmission
Depending on the mode, the engine and the
transmission respond quicker or in a more bal­
anced manner to accelerator pedal move ­
ments. In the sporty dynamic mode, the
transmission shifts at higher RPMs.
Air suspension*
The adaptive air suspension/adaptive air sus­ pension sport*
(Air suspension in the MMI) is
an electronically controlled air suspension and
damping system. They are adjusted depend­
ing on the selected driving mode, the driver's
steering, braking and acceleration input and
the road surface, vehicle speed and load. A
sporty setting is generally used in vehicles
with adaptive air suspension sport*.
The vehicle clearance varies depending on the
selected mode and the speed . The
highway setting is activated automatically
when you drive above 75 mph (120 km/h) for
more than
30 seconds in the Auto or Dynamic
mode. The ground clearance is increased auto­
matically if the speed drops below
44 mph
(70 km/h) for more than 120 seconds .
Steering
The steering adapts in terms of steering effort
and steering ratios. Indirect steering that
moves easily, like the steering in comfort
mode, is best suited to long drives on a high­
way. In contrast, dynamic mode provides sporty, direct steering .
The following applies to vehicles with dynamic
steering* : the steering ratio changes based on
vehicle speed in order to maintain optimum
steering effort for the driver at all times . This
sets the steering to be less sensitive at higher
speeds in order to provide improved vehicle
control. At reduced speeds, however, steering
is more direct in order to keep the steering ef­
fort as minimal as possible when the driver is
maneuvering the vehicle. At low and average
speeds, dynamic steering additionally pro­
vides more responsive steering performance.
Adaptive dampers*
The adaptive dampers* use sensors to record
information regarding steering movements,
braking and acceleration operations by the
driver, road surface, driving speed, and load.
This makes it possible to adapt damping to
the driving situation virtually in real time.
Drive select also makes it possible to satisfy
the desire for sporty suspension (Dynamic)
and comfortable suspension (Comfort) with­
out giving up balanced tuning (Auto) .
Sport differential*
As a component of the all wheel drive system
(quattro)
c::;; page 193, the Sport differential*
distributes the driving power to the rear axle
depending on the situation. The distribution
of power varies depending on the selected
mode, from balanced (comfort) to agile (dy­
namic). The goal is a high level of agility and
Ill-

"' N
a:: I.J "". rl I.O
"' rl
"' rl
ability to accelerate on curves. The vehicle is
very responsive to steering.
Curve light*
The curve light adapts to driv ing on curves.
The pivot ing action and the light ing are also
adapted to the mode.
Ad apti ve crui se contr ol*
The behavior when accelerat ing can be ad just­
ed from comfortable to sporty, depending on
the dr ive se lect mode . Adaptive cruise control
also responds to the driving behav ior of the
veh icle ahead in a more conservative or sporty
manner .
Engine sound
The sound of the engine is adapted to these­
l ected mode and ranges from subtle to sporty.
(D Note
-Make sure there is enough clearance
above and below the vehicle when park­
i ng. The height of the vehicle can change
once it is parked d ue to temperature
fluctuations, changes to the load condi­
tions and changes to the driving modes,
which can affect clearance.
- When transporting the vehicle on a car
carrier, train, ship or by other means, on­
l y tie the veh icle down at the running
surface of the tires, which is the outer
circumference. Securing the vehicle at
the axle components, suspension struts
or tow ing eyes is not perm itted because
the p ressure in the air suspension struts
can change d uring transport. The vehicle
may not be se cured s uff ic ient ly if this
happens.
(D Tips
- In some models, the maxim um vehicle
speed can only be reached in the
Auto
and D ynamic modes.
- Se lecting the
Dynami c mode results in
spor ty sh ifting character istics. The S
gear position engages automatically .
Audi drive sele ct 97
- In ve hicles that have dynamic steering*,
operating noise is heard when starting or
stopping the engine. This does not indi­
cate a problem.
Selecting the driving mode
You can choose between Comfort, Auto, Dy­
namic and Individual.
Fig. 108 M MI: Dr ive select
.,. To select the mode, select the following in
the
MMI: I CARI function button> Comfort ,
Auto , Dynamic or Individu al.
You can change the driving mode when the ve­
hicle is stationary or while driving. If traffic
permits, after changing modes, br iefly take
your foot off the accele rator pedal so that the
recently selected mode is a lso activated for
the engine.
Comfo rt -prov ides a comfort-oriented veh icle
setup and is suited for long drives on h igh­
ways.
Auto -provides an overall comfortable yet dy­
nam ic dr iving feel and is suited for every day
use .
Dynam ic -gives the driver a sporty driving
feel and is suited to a sporty driving style.
Indi vidual -~page 98.
&_ WARNING
Pay attention to traffic when operating
Audi drive select to prevent potential risk
of an accident.
-

98 Audi drive select
Adjusting the Individual mode
You can adjust the vehicle settings to your personal preferences .
• Se lect : I CAR ! function button > Set individu­
al
control button. You can now adjust the in­
dividual systems.
The
Individual dr iving mode will automatica l­
ly be activated when you have finished config­
uring the settings .
Systems Comfort
Engine /Transmission
balanced
Air suspension* comfortable
Steering comfortable The equipment
in your vehicle will determine
which settings you can adjust. The following
table provides an overview of the characteris­
tics of each driving mode.
Auto Dynamic
balanced sporty
balanced sporty
balanced sporty
Dynamic steering* comfortable/indirect balanced/direct sporty direct
Adaptive dampers* comfortable balanced sporty
Sport differential* balanced agile sporty
Adaptive
cruise control* comfortable balanced sporty
Engine sound subtle subtle/sportyal sporty
a)
Subt le in the dri ving posit ion D an d sporty in the driving positio n S.
@ Tips
Your
Individual mode settings are auto­
matica lly stored and assigned to the re­
mote control key being used.
Raising/lowering the
vehicle
App lies to vehicles: with adaptive air suspension
Raising the vehicle
You can raise your vehicle temporarily, for ex­
ample to drive over a tall curb .
• Se lect the following in the MMI : ICAR !func­
tion button
> Raise contro l button.
• Wait for the arrows in the display to stop
blinking and the vehicle to reach its final po­
s it ion.
Lowering the vehicle
• To lower the vehicle, select the following in
the MMI: ICARI function button
> Lower con­
trol button. •
Wait for the arrows in the display to stop
blinking and the vehicle to lower comp lete­
ly.
(D Note
- Remember that your vehicle is not suita­
ble for driv ing offroad even when it is
raised . There is not enough ground clear­
ance.
- If the vehicle is raised, it wi ll lower auto­
matically when driving 62 mph (100 km/
h) or faster.
Driver messages
Air suspension : vehicle currently too low.
Level control running
Air suspension: vehicle currently too high.
Level control running
T he dr iver message switches off when the lev­
el control process is complete.

114 Park in g s yste m s
c> A in General information on page 111,
r=.>(D in General information on page 112.
The blue area represents an extens ion of the
vehicle's outline by approximately 16 ft
(5 m) to the rear . The long side of the blue
area should be on the curb. The entire blue
area must fit into the parking space .
~ With the vehicle stopped, turn the steer ing
wheel to the r ight as far as it w ill go.
~ Back in to the par king spa ce until the b lue
curve
r=.> fig. 133 touches the curb c> A in
General information on page 111,
¢ (Din
General information on page 112 . Stop the
vehicle.
~ With the veh icle stopped, turn the steer ing
wheel to the left as far as it will go.
~ Continue to back into the parking space un ­
t il the vehicle is parked pa ralle l to the curb
r=.> A in General information on page 111,
r::> Q) in General information on page 112 .
@ marks the rear bumper . Stop the ve hicle,
at the latest, when the red orientation line
@ borders an object. Keep an eye on the
front of your vehicle whi le doing this .
Parking next to obstacles
If there is a n obsta cle (s uch as a wall) next to
the park ing space, position the ve hicle so
the re is more space o n that s ide. Position the
long side of the b lue surface so that there is
sufficient space from the obstacle . The sur­
face m ust not be touch ing . You will also need
to start tur ning the steering wheel much ear­
lier . The blue curve
r::> fig. 133 must not touch
the obstacle and should have sufficient room .
(D Note
Remember to maintain sufficient clear­
ance from the curb to avoid damaging the
wheel rims .
(!) Tips
The left or right orientation lines and sur­
faces will be displayed, depe nding on the
turn signal be ing used .
Peripheral cameras
Introduction
Applies to vehicles: wi th parking system pl us with per ip h­
eral c ameras
In add ition to parking system p lus
r=.> page 110, this parking system conta ins pe­
ripheral cameras . Depending on the vehicle
equipment, you are assisted by vario us views
s u ch as per iphera l view , corner views at the
fron t and rear of the veh icle, and views d irect­
ly in front of or behind the vehicle .
General information
Applies to v ehicl es: wi th parking sys te m plus with pe riph­
eral ca meras
F ig . 1 34 Location of per iphera l came ras
Depending on the vehicle equipment, the pe­
ripheral cameras are found in the radiator
grille, in the luggage compartment lid and on
both exterior m irrors *
c> fig. 134. Make sure
that the lenses a re not covered by depos its or
any othe r obstructions as it may impa ir the
system. For informat ion on clean ing, refe r to
r::>page 201.
In the peripheral mode, black corners are
shown in the vehicle silhouette . Objects in
these areas a re ou ts ide of the came ra's field
of view and are not detected.
T he accuracy of the orientation lines and the
blue surfaces is reduced if the adaptive ai r
suspension* is faulty, if the vehicle is lifted or
i f th e
D ynamic mode is activa ted c> page 96. ..,.

156 Airbag system
www.dtsc.ca.gov/hazardouswaste/per­
chlorate. When the vehicle or parts of the
restraint system including airbag modules
and safety belts with pretensioners are
scrapped, all applicable laws and regula­
tions must be observed. Your authorized
Audi dealer is familiar with these require­
ments and we recommend that you have
your dealer perform this service for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that the Advanced Airbag Sys­
tem performs in a crash. For example, using
tire-rim combinations not approved by Audi,
lowering the vehicle, changing the stiffness of
the suspension, including the springs, suspen­
sion struts, shock absorbers etc. can change
the forces that are measured by the airbag sensors and sent to the electronic control
unit. Some suspension changes can, for exam­
ple, increase the force levels measured by the
sensors and make the airbag system deploy in
crashes in which it would not deploy if the
changes had not been made . Other kinds of
changes may reduce the force levels meas­ ured by the sensors and prevent the airbag
from deploying when it should.
A WARNING
Changing the vehicle's suspension includ­
ing use of unapproved tire-rim combina­
tions can change Advanced Airbag per­
formance and increase the risk of serious
personal injury in a crash.
- Never install suspension components
that do not have the same performance characteristics as the components origi­
nally installed on your vehicle.
- Never use tire-rim combinations that
have not been approved by Audi.
Knee airbags
Description of knee airbags
Applies to vehicles: with knee airbags
The knee airbag system can provide supple­
mental protection to properly restrained
front seat occupants .
Fig. 163 Driver 's knee airbag
The driver knee airbag is in the instrument
panel underneath the steering wheel
¢ fig. 163, the airbag for the passenger is at
about the same height in the instrument pan­
el underneath the glove compartment.
The knee airbag offers additional protection
to the driver 's and passenger's knees and up­
per and lower thigh areas and supplements
the protection provided by the safety belts.
If the front airbags deploy, the knee airbags
also dep loy in frontal collisions when the de­
ployment threshold stored in the control unit
is met
<=> page 149, More important things to
know about front airbags .
In addition to their normal safety function,
safety belts help keep the driver or front pas­
senger in position in a frontal collision so that
the airbags can provide supplemental protec­
tion.
The airbag system is not a substitute for your
safety belt . Rather, it is part of the overall oc­
cupant restraint system in your vehicle. Al­
ways remember that the airbag system can
only help to protect you if you are wearing
your safety belt and wearing it properly. This
is why you should always wear your safety
belt, not just because the law requires you to
do so
¢ page 130 , General notes. ..,.

Avoid damaging the
vehicle
When you are driving on poor roads, or over
curbs, steep ramps, etc., make certain that
low-lying parts such as spoilers and exhaust
system parts do not bottom out and get dam­
aged.
T his is especially true for vehicles with low­
slung chassis (sports chassis) * and fully load­
ed veh icles .
Driving through water
on roads
Note the following to avoid vehicle damage
when driving through water, for example on
flooded roads:
- T he water must not be any h igher than the
bottom of the veh icle body.
- Do not d rive faster than wa lking speed.
..&, WARNING
After driving through wate r, m ud, slush,
etc., the brakes may be slow to take effect
because o f wet brake rotors and pads . Dry
the brakes first by braking carefully to re­
store the full braking effect.
(D Note
- Vehicle components such as the eng ine,
transmission, suspension or e lectrical
system can be severely damaged by driv­ ing through water.
- Check the depth o f the water before driv ­
ing through it.
- Do not s top the veh icle, drive in reverse
or switc h 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 vehi­
cle to drive through safely.
- Avoid driving thro ugh sa lt water because
-
~ it can ca use corrosion. ,....,
Dri vin g and en vironm ent 197
Warming up and
cooling down
By carefully warming up and cooling down
your vehicle, you can help ensure that it is not
overstressed unnecessar ily during sporty dr iv­
ing.
When warming up, the vehicle is dr iven at a
maximum engine speed of 6000 RPM in order
to raise the engine o il temperature to a mini­
mum of 140
°F (60 °() . The t ires a lso on ly
reach the ir full road holdi ng capabi lity on ce
they have warmed up.
The cooli ng fan can cont inue to run in your ve­
hicle after the engine is switched off . Howev­
er, driving the veh icle to coo l it down is pa rti c­
ul arly important. Dur ing spo rty driving , the
engine and b rakes, the exhaust system, and
the transmission a ll become extremely hot.
Before you park the vehicle, you should drive
it for a few miles/kilometers at light load in
the low rpm range to allow it to cool down .
Catalytic converter
App lies to vehicles: wi th gaso line e ngi ne
It is very important that your emission con­
trol system (catalytic converter) is function ­
ing properly to ensure that your vehicle is run­
ning in an environmentally sound manner.
"' Always use lead-free gasoline c:> page 206,
Fuel supply .
"' Never run the tank down all the way to emp­
ty.
"' Never put too much mo to r o il in yo ur eng ine
c:> page 21 S, Adding engine oil "t:::r..
"' Never try to push -or tow -start you r vehicle .
T he catalytic co nve rter is an efficient "clean ­
u p" dev ice bui lt into t he exhaus t system of
the ve hicle . The cata lytic converter bu rns
many of the pollutants in the exha ust gas be ­
fore they are re leased into the atmosphere.
T he exclus ive use of unleaded fuel is c ritical ly
i mportant for the life of the catalyt ic convert -
er and proper functioning of the engine .
Iii>
•
•