sensor AUDI S3 SEDAN 2015 Owner's Manual

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_& WARNING
With the vibration warning switched off, no
visible warning will appear in t he instrument
cluster dis play when crossing a lane ma rker.
(D Tips
Ma rket-specific: your settings are automati­
cally stored and assigned to the remote con­
trol key being used .
Audi side assist
Description
Applies to vehicles: with Audi side assist
Fig . 9 5 Sensor detect io n range
Fig . 96 Display on the exterior mirror
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Side assist he lps you monito r yo ur blind spot and
traffic behind your ve hicle. W it hi n the limit s of
the system, it warns yo u about vehicles that are
coming closer or that are traveling with your
within sensor range
(D ¢ fig . 95: If a lane change
is classified as cr it ica l, the display @in the exte­
rior mirror turns on
c:> fig. 96.
The display in the left exterior mirro r provides as ­
sistance when making a la ne change to the left,
while the d isp lay in the right exterior mirror pro-
A ssi st
vides assistance when making a lane change to
th e right.
Information stage
As long as you do not act ivate the tu rn signa l,
s ide ass ist
informs yo u about vehicles that are
de te cted a nd classified as criti cal. The d is pl ay in
the mirror turns on, but is dim .
T he display rema ins d im in the info rmation stage
so tha t your v iew toward the front is not dis tur­
bed.
Warn ing stage
If you activate the turn s ignal, s ide ass ist warns
you about vehicles that are de tected and classi­
fied as cri tica l. The display in the respective m ir­
ro r blinks brightly . If this happe ns, che ck tr affi c
by glanc ing in the rearv iew mirror and over your
sho ulder
c:> .&. in General information on
page 110.
@ Tips
- Yo u can adjust the brightness on of the dis­
play on the rearview mirror
c:> page 111 .
109

Page 112 of 282

Ass is t
General information
App lies to veh icles: w ith Audi side assis t
®
@
©
Fig . 97 D riving s ituat io ns
I AU DI

Fi g. 98 Rear of vehicle: sensor pos itio ns
Side assist functions at speeds above approx i­
mately 19 mph (30 km/h).
@ Vehicles th at ar e approaching
In certain cases, a vehicle will be classified as
cr itical for a lane change even if it is still some­
what far away. The faste r a vehicle approaches,
the soo ner t he d isplay in the exter io r mirro r will
t ur n on.
@ Vehicl es traveling with you
Veh icles traveling w ith you are indicated in the
exte rior m irror if they are classified as cr itical for
a lane change. All ve hicl es detected by side assist
110
are indicated by the time they enter your "blind
spot", at the latest .
© Vehicles left behind
If you slow ly pass a veh icle that side assist has
de tected (the difference in speed be tween the ve­
hi cle and your ve hicl e is less than 9 mph o r 1S
km/h), the display in the exterior mirror turns on
as soon as the vehicle enters yo ur blind spot.
T he disp lay will not t urn on if you quickly p ass a
vehicle that side ass ist has de te cted (the differ­
ence in speed between the vehicle and your vehi­
cle is greater than 9 mph or 1S km/h).
Functional limitations
The radar senso rs are des igned to detect the left
and rig ht adjacent lanes when the road lanes a re
the norma l width . In some si tua tions, the display
in the exterior mirror may turn on even though
there is no vehicle located in the area that is criti­
ca l for a lane change. For example:
- If the lanes are nar row o r if your are driving on
the edge of your lane. If t his is t he case, the
system may have detected the vehicle in anoth­
er lane that is
not adjacent to yo ur current lane.
- If you are driving t hro ugh a curve. S ide assist
may react to a vehicle that is one lane over from
the adjacent lane.
- If side assist reacts to other objects (s uch as
high or disp laced guard rails) .
- In poor weather conditions . The side assist
functions are limited.
Do no t cover the radar sensors ¢
fig. 98 with
stickers, depos its, bicy cle wheels or other ob ­
jects, beca use this will affect the function . For in­
format ion on cleaning, see
¢ page 235 .
_& WARNING
-Always pay attention to traffic and to the
area around your ve hicle. Side ass ist cannot
rep lace a dr iver's attention. T he driver alone
is always responsible for lane c hanges and
sim ila r driv ing mane uvers .
- In some s ituations, the system may not
fu nction o r its function may be limi ted . Fo r
examp le:
-

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-If vehicles are approaching or being left
behind very quickly. The display may not
turn on in time .
- In poor weather conditions such as heavy
rain, snow or heavy mist.
- On very wide lanes, in tight curves, or if
there is a rise in the road surface. Vehicles
in the adjacent lane may not be detected
because they are outside of the sensor range.
- Audi side assist cannot detect all vehicles
under all conditions, which can increase the
risk of accidents .
- Please note that side assist only displays ap­
proaching vehicles or vehicles in your blind
spot if your vehicle is traveling at least
19 mph (30 km/h).
- In certain situations, the system may not
work or its function may be limited. For ex­
ample:
- The display may not turn on at the right
time if vehicles are approaching or passing
very quickly.
- In poor weather conditions, such as heavy rain, snow or fog.
- In very wide lanes, in tight curves or when
there are slopes in the roadway, vehicles in
the neighboring lanes may not be detect­
ed because they are outside of the sensor
range .
(D Note
The sensors can be displaced by impacts or
damage to the bumper, wheel housing and
underbody. This can affect the system. Have
an authorized Audi dealer or authorized Audi
Service Facility check their function .
(Di Tips
-If the window glass in the driver's door or
front passenger's door has been tinted, the
display in the exterior mirror may be misin­
terpreted.
- For an explanation on conformity with the
FCC regulations in the United States and the
Industry Canada regulations, refer to
r::!> page 2 65 .
Assist
Switching on and off
App lies to vehicles : wi th Audi side ass ist
The system and be switched on and off in the
MMI*.
"'Select: the I MENU I button> Car> Systems*
control button > Driver assistance> Audi side
assist .
With Off, the system is switched off.
An activated system will signal every time the ig­ nition is switched on by turning the displays in
the exterior mirrors on briefly.
Adjusting the display brightness
App lies to vehicles: wi th Audi s ide ass ist
The display brightness can be adjusted in the
MM!*.
"'Select: the I MENU I button> Car> Systems*
control button > Driver assistance > Audi side
assist .
The display brightness adjusts automatically to
the brightness of the surroundings, both in the
information and in the warning stage. In very
dark or very bright surroundings, the display is al­
ready set to the minimum or maximum level by
the automatic adjustment. In such cases, you
may notice no change when adjusting the bright­
ness, or the change may only be noticeable once
the surroundings change.
Adjust the brightness to a level where the display
in the information stage will not disrupt your
view forward. If you change the brightness, the
display in the exterior mirror will briefly show the
brightness level in the information stage . The
brightness of the warning stage is linked to the
brightness in the information stage and is adjust­
ed along with the information stage adjustment .
(D Tips
-Side assist is not active while you are mak­
ing the adjustment.
- Your settings are automatically stored and assigned to the remote control key being
used.
111

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Assist Driver messages
Appl ies to vehicles: with Audi side assist
If the side assist switches off automatically, a
message appears in the instrument cluster dis­
p la y.
@j Audi side assist: currently unavailable.
No sensor vision
The radar sensors' vision is affected. Do not cover
the area in front of the sensors with bike wheels,
stickers, dirt or other objects. Clean the area in
front of the sensors, if necessary
r:!> page 110,
fig. 98.
@j Audi side assist: currently unavailable
Side assist cannot be switched on temporarily be­
cause there is a ma lfunction (for examp le, the
battery charge level may be too low).
@j Audi side assist: System fault!
The system cannot guarantee that it will detect
veh icles correctly and it is switched off. The sen­
sors have been displaced or are faulty. Have the
system checked by an authorized Audi dealer or
authorized Audi Service Facility soon.
Audi drive select (drive
settings)
Introduction
Applies to vehicles: with Audi drive select
Audi drive select makes it possible to experience
different types of vehicle settings in one vehicle.
The driver can select from three
Comfort, Auto
and Dynamic modes using the ~.7l.'i button in the
center console or the MMI to switch between a
sporty and a comfortable driving mode, for ex­
ample . In the
individual* mode, the settings can
be adjusted to your personal preferences . This
makes it possib le to combine settings such as a
sporty engine tun ing with light steering .
.,&. WARNING
Using Audi drive select incorrect ly can lead to
collisions, other accidents and serious inju ­
ries.
112
· Description
Applies to vehicles: with Audi drive se lect
The vehicle setup in each mode depends on the
vehicle's features. However , the eng ine and steer­
ing are always affected.
Engine and automatic transmission
Depending on the mode, the engine and auto­
matic transmission* respond more qu ickly or in a
more balanced manner to accelerator peda l
movements .
Adaptive dampers (Audi magnetic ride)*
The adaptive dampers use sensors to record in ­
format ion regarding steer ing movements, brak­
ing and acce lerat ion operations by the driver,
road surface, dr iv ing speed, and load. With Audi
drive select you can adjust the adaptive dampers
sporty (dynamic), comfortable (comfort) or bal­
anced (auto).
Steering
T he steer ing adapts in terms of steer ing ass is­
tance. There a re diffe rent modes
Q page 113.
Indirect steering that moves easily as in comfort
mode is especia lly suited to long drives on a high ­
way. The dynamic mode provides sporty, direct
steering .
For vehicles with progressive steering* the steer­
ing performance is more agi le .
Cornering light*
The cornering light adjusts when driv ing on
curves at speeds between 6 mph (10 km/h) and
68 mph (110 km/h). The pivoting action and the
lig hting are also adapted to the mode.
Adaptive cruise control*
The behavior when accelerating can be adjusted
from comfortable to sporty, depending on the
Audi drive select mode. Adaptive cruise control
also responds to the driving behavior of the vehi­
cle ahead in a more conservative or sporty man­
ner.

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Parking systems
General information
Applies to vehicles: with rea r parking sys te m s/park in g system
p lus/rearview camera
Depending on your vehicle's equipment, various
parking aids will help you when parking and ma­
neuvering.
The
rear parking system is an audible parking aid
that warns you of obstacles
behind the vehicle
¢ page 116.
The parking system plus assists you when park ­
ing by audibly and visually indicating objects de­
tected
in front of and behind the vehicle
¢ page 116.
The rearview camera shows the area behind the
vehicle in the MMI display. This display assists
you when you are cross or parallel parking. The
parking system plus functions are also available
¢page 117.
A WARNING ,--
- Always look for traffic and check the area
around your vehicle by looking at it directly
as well. The parking system cannot replace
the driver's attention. The driver is a lways
responsible when entering or leaving a park­
ing space and during similar maneuvers .
- Please note that some surfaces, such as
clothing, are not detected by the system.
- Sensors and cameras have blind spots in
which people and objects cannot be detect­
ed . Be especially cautious of small children
and animals .
- Always pay attention to the area around the
vehicle - using the rearview mirror, too.
- The sensors can be displaced by impacts or
damage to the radiator grille, bumper,
wheel housing and the underbody . The park­
ing system may become impaired as a re­
sult . Have an authorized Audi dealer or au­
thorized Audi Service Facility check their
function.
- Make sure the sensors are not obstructed by
st ickers, deposits or other materials.
If they
are the sensor function could be impaired .
'
Parking systems
For additional information on cleaning, re­
fer to
¢ page 235.
@ Note
- Some objects are not detected or displayed
by the system under certain circumstances:
- Objects such as barrier chains, trailer draw
bars, vertical poles or fences
- Objects above the sensors such as wall ex­
tensions
- Objects with specific surfaces or struc­
tures such as chain link fences or powder
snow
- If you continue driving closer to a low-lying
object, it may disappear from the sensor
range. Note that you will no longer be
warned about this obstacle.
- The sensors can be displaced by impacts or
damage to the radiator grille, bumper,
wheel housing and the underbody. The park­
ing system may become impaired as a re­
sult. Have an authorized Audi dealer or au­
thorized Audi Service Facility check their
function.
(D Tips
- The system may provide a warning even
though there are no obstacles in the cover­
age area in some situations, such as:
- certain road surfaces or for long grass .
- external ultrasonic sources e.g. from
cleaning vehicles.
- heavy rain, snow, or thick vehicle exhaust.
- We recommend that you practice parking in
a traffic-free location or parking lot to be­
come familiar with the system. When doing
this, there should be good light and weather
conditions.
- You can change the volume and pitch of the
signals as well as the display¢
page 121 .
-What appears in the MMI display is some­
what time-delayed.
- The sensors must be kept clean and free of
snow and ice for the park assist to operate .
115

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Parking syste m s
Rear parking system
Description
Applies to veh icles: w ith rear parking system
The rear parking system is an audible parking
aid.
Des crip tion
There is a sensor in the rear bumper cover. If
these detect an obstacle, audible signals warn
you .
Make sure the sensors are not covered by stick­
ers, deposits or any other obstructions as it may
impair the sensor function. For information on
cleaning, refer to
c:::;,page 235.
The range at which the sensors begin to measure
is approximately:
Side rear 3 ft (0.90
m)
Side center 5.2 ft (1.60
m)
The closer you get to the obstacle, the shorter
the interval between the audible signals . A con­
tinuous tone sounds when the obstacle is less
than approximately 1 foot (0.30 meters) away.
Do not continue backing up
c:::;, .&. in General infor­
mation on page 115, ¢0in General information
on page
115!
If the distance to an obstacle remains constant,
the volume of the distance warning gradually drops after about four seconds (this is not apply
in the continuous tone range).
Activa ting
The parking system activates automatically when
the reverse gear is se lected. You will hear a brief
confirmation tone.
116
Parking system plus
Description
App lies to vehicles: with parking system plus
The parking system plus provides audio and visu­
al signals when parking .
=
Fig. 101 D isp lay fie ld
Sensors are located in the front and rear bump ­
ers. If these detect an obstacle, audible and visu­
al signa ls warn you .
Make sure the sensors are not covered by stick ­
ers, depos its or any other obstructions as it may
impair the sensor function. For information on
cleaning, refer to
c:::;, page 235.
The display field begins approximately at:
® 4 ft (1.20 m)
® 3 ft (0.90 m)
© 5.2 ft (1.60 m)
® 3 ft (0.90 m)
The closer you get to the obstacle, the shorter
the interval between the audible signals . A con­
tinuous tone sounds when the obstacle is less
than approximate ly 1 foot (0.30 meters) away.
Do not continue driving forward or in reverse
c:::;, .&. in General information on page 115, c:::;,@) in
General information on page
115!
If the distance to an obstacle remains constant,
the volume of the distance warning gradually
drops after about four seconds (this is not apply
in the continuous tone range).

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Adjusting the display and the warning tones
App lies to vehicles: with pa rking system p lus/rearv iew cam­
era
The display and warning tones con be adjusted in
the MMI.
~ Select: the I MENU ! button >Car> Systems *
control button > Driver assistance > Parking
aid.
Display
On* -
optical display is shown for the parking sys­
tem plus, rearview camera image is shown for
parking system plus with rearv iew camera *.
Off -when the parking system is switched off, on­
l y audible signals are given.
Warning tones
Front volume -
Volume for the front and side*
area
Rear volume -Volume for the rear area
Front frequency -Frequency for the front and
side* area
Rear frequency -Frequency for the rear area
Entertainment volume lowering -When the
parking system is turned on, the volum e of the
audio/video source is lowered.
The newly adjusted value is briefly heard from
the signal generator.
- The warning tones can also be adjusted di­
re ctly from the visual d isplay or the rearview
camera image*. Simply press the
Settings
control button.
- The settings a re automatically stored and
ass igned to the remote control key that is in
use.
Error messages
Ap plies to vehicles: with park ing system p lus/rearv iew cam ­
era
There is an error in the system if the LED in the
p, ,1 A. button is blinking and you hear a continuous
Parking systems
alarm for a few seconds after switching on the
parking system or when the parking system is al­
ready activated .
If the error is not corrected be­
fore you switch
off the ignition, the LED in the P1
1,
button w ill blink the next time you switch on the
parking system by shift ing into reverse .
Parking system plus*
If a sensor is faulty, the~ symbol will appear in
front of/behind the vehicle in the MMI display. If
a rear sensor is faulty, only obstacles that are in
areas @and @are shown ¢
page 116, fig. 101.
If a front sensor is faulty, only obstacles that are
i n areas © and @are shown .
Drive to an authorized Audi dealer or authorized
Audi Serv ice Facility immediately to have the
malfunction corrected .
121

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Intelligent Technology
is not different from a two wheel drive vehi­
cle. Do not be tempted to accelerate to a
high speed when the road is slippery th is in­
creases the r isk of an accident.
- Note that on wet streets, the front wheels
can "hydrop lane" if driving at speeds that
are too high . Unlike front whee l drive
vehicles, the engi ne does not rev higher sud­
denly when the vehicl e begins hyd rop laning.
Fo r th is r easo n, pay a ttent ion to the road
co ndi tions regardless of your speed.
Energy management
The starting ability is optimized
The en ergy management system manages the
electrical energy distribution and optimizes the
availability of electrical energy for starting the
engine.
When a ve hicle with a co nventional energy sys­
tem is not driven for a long time, the battery is
drained by equipment (for example the immobil­
izer) . In certa in circumstances , there cou ld may
not be eno ugh energy to start the engine .
Your vehicle is equipped w it h an intelligent ener­
gy management system for distr ibut ing electric i­
ty . T his sign ificantly improves the starting ability
and inc reases the battery life .
The energy management system Is made up of
battery diagnos is , idling cu rrent management
and dynamic energy management.
Battery diagnosis
The batte ry diagnosis determines the batte ry
charge leve l. The sensors determine the batte ry
voltage, the battery current , and the battery
t emperature . The current cha rge level and the
pe rformance of t he battery a re dete rmined based
on this .
Idling current management
The idling cu rrent management decreases the
energy used while parked. W it h the engine
sw itched off, it manages the energy d istribution
to the different electrical components . Date from
battery diagnosis is taken into account for this .
128
Depend ing on the ba tte ry charge leve l, electrical
equipment is switched off one item after the oth­
er, to prevent the battery from dra ining and to
retain the start ing ability.
Dynamic energy management
While driv ing, dynam ic ene rgy management dis­
tribu tes the appropriate amount o f energy to the
e lectrica l equ ipment. It control s the battery
charge level so that more ene rgy is not used then
i s be ing generated in order to maintain an opti­
mal battery charge level.
(D Tips
'
- Energy management cannot overcome the
laws of p hys ics. Note that the charge level
and length of the battery life a re limited.
- When the sta rting ability is endangered, the
(•) indicator light t urns on
c:> page 19 .
What you should know
Maintaining the starting ability is the highest
priority.
A lot of st ress is placed on the battery when dr iv ­
ing sho rt distances, in traffic, and at cold t imes
of the year. A lot of energy is used but little is
generated.
It is also critical when the engine is
not ru nning but e lectr ica l equipment is sw itched
o n. In th is case, energy is used but none is gener ­
ated.
In sit uat ions like this, e nergy ma nagement w ill
active ly regu lated the distribution of energy .
Long periods without use
If you do not drive your vehicle for several days or
weeks, e lectr ica l cons umers are grad ually scaled
back or sw itched off. This reduces energy use and
ensures the ve hicle w ill be able to start after long
per iods of time . Some conven ience functions
suc h as opening w it h the remote co ntrol key may
not be available. These conve nience f unct ions
will be ava ila ble aga in once you swi tch the igni-
tion on and st art the eng ine . .,_

Page 148 of 282

Safety belts
Adjusting safety belt height
With the aid of the safety belt height adjust­
ment, the three point safety belt strap routing
can be fitted to the shoulder area, according to
body size.
F ig . 127 Safety belt height ad justment for t he front seats
- loop -a round f itt ings
The shou lder belt should lie as close to the center
of the collar bone as possib le and should fit well
on the body¢ .&.
in Safety belt position on
page 144 .
... Push
the loop-around fittings up ¢ fig . 127 @,
or
... squeeze together the (D button, and push the
l oop-around fit tings
down @.
... Pull the belt to make sure t hat the upper at ­
tachment is properly engaged .
A WARNING
Always read and heed all WARNINGS and oth­
er important information
¢ page 142.
(D Tips
With the front seats, the height adjustment
of the seat can a lso be used to adjust the po­
sition of the safety belts.
Improperly worn safety belts
Incorrectly positioned safety belts con cause se­ vere injuries.
Wearing safety be lts imprope rly can cause seri­
ous injury or death . Safety belts can on ly work
when they are correctly positioned on the body.
Improper seating positions reduce the effective­
ness of safety be lts and will
even i ncrease the risk
146
of injury and death by moving the safety belt to
critical areas of the body . Improper seating posi­
tions also increase the risk of serious in jury and
death when an airbag deploys and strikes an oc­
cupant who is not in the correct seating position.
A driver is responsible for the safety of all vehicle
occupants and especially for ch ildren . Therefore:
... Never permit anyone to assume an incorrect sit-
ting posit ion in the vehicle while traveling
¢ &_ .
A WARNING
Improperly worn safety belts increase the r isk
of serious personal inju ry and death wheneve r
a veh icle is being used.
- Always make sure that all vehi cle occupants
are correctly restrained and stay in a correct
seating position wheneve r the vehicle is be­
ing used .
- Always read and heed a ll WARNINGS and
o ther important informa tion
¢ page 142.
Belt tensioners
How safety belt pretensioners work
In front, side and rear -end collisions above a
particular severity and in a rollover, safety belts are tensioned automatically.
R ev ersib le safety belt t ensione rs
The safety belts on the front seats are equipped
with power reversib le tensioners. The fo llow ing
functions are availab le when the driver's/front
passenger's safety belts are fastened:
- Automatic tensio ners: at the start of a drive,
the safety belts automat ica lly adjust to the
passenger after a certain t ime period or vehicle
speed.
- In certain driving situations, the safety belts
may tighten with a reversible tensioning func­
tion
¢page 103.
-The safety belts may a lso tighten with this re-
vers ible tensioning function in minor collisions.
Pyrotechn ic safet y belt pretens ioner s
The safety belts are equipped with safety belt
pretensioners. The system is activated by sensors ..,.

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A WARNING
A child in a rearward-facing child seat instal ­
led on the front passenger seat wi ll be seri ­
ously injured and can be killed if the front air­
bag inflates -even with an Advanced Airbag
System.
-Although the Advanced Airbag System in
your vehicle is designed to turn off the front
airbag when a rearward-facing child re­
straint has been installed on the front pas­ senger seat, nobody can absolutely guaran­
tee that deployment is impossible in all con­
c eivable s ituations that may happen dur ing
the useful life o f you r vehicle.
- The inflating a irbag w ill hit the child seat or
infant carrier w ith great force an d will
smash the ch ild seat and child agains t the
backrest, center armrest, doo r, or roo f.
- Alw ays install rearward- facing child re­
straints on the rear seat .
- If you must i nst all a rearw ard facing child
sea t on the front passenger sea t beca use of
excep tional circ umstances and the
PASSEN­
GER AIR BAG OFF light does not come on
and stay on, immediately install the rear­
facing child seat in a rear seating position
and have the a irbag system inspected by
your Audi dealer.
A WARNING
If, in exceptional c ircumstances, you must in­
stall a forward-facing ch ild restraint on the
front passenge r's seat:
-Always make sure the forward-fac ing seat
has be en designed and certified by its man­
ufact urer for use on a fro nt seat wit h a pas­
senger front and side airbag.
- Never put the forwa rd-facing child rest raint
up against or ve ry nea r the i nstr ument pan ­
el.
-Always move t he passenger seat into its
rearmost position in the seat 's fore and aft
adjus tment range, as far away from the air ­
bag as possib le, before installing the fo r­
ward-facing c hild restraint . The backrest
must be adjusted to an up right position .
-
Airbag syste m
- Always make sure that there is nothing on
the front passenger seat that w ill cause the
capacitive passenger detection system in
the seat to signal to the Airbag System that
the seat is occup ied by a person when it is
not, or to signal that it is occupied by some­
one who is heavier than the person actually
sitt ing on the se at. T he presen ce of add i­
tion al ob jects could cause t he passenger
front airbag to be tu rned on when it shou ld
be off, or co uld cause the ai rbag to wo rk in a
way that is different from the way it would
have worked without the ob ject on the seat.
- Make sure that the
PASSENGER AIR BAG
OF F light comes on and stays on all the time
wheneve r the ignit ion is switched on.
Advanced Airbag System components
The front passenger seat in yo ur vehicle has a lot
of very impo rtant parts of the Advanced A irbag
System in it . T hese pa rts include the capacitive
passenge r detection system, wir ing, brackets,
and more. The con trol unit mon itors the syste m
o n the front passenge r se at when the ig nition is
swi tched on and turns the airbag indicator ligh t
on when a malfunction in the one of the system
components is detected
¢ page 160 . Because
the front passenger seat contains important
parts of the Advanced A irbag System, yo u m ust
take care to prevent it from being damaged.
Damage to the seat may prevent the Advanced
Airbag System for the front passenger seat from
doing its job in a crash.
The front Advanced Airbag System consi sts
of the following:
- Crash sensors in the front of the vehicle that
measure vehicle acceleration/deceleration to
p rov ide i nfo rmat ion to the Advanced Airbag
System abo ut the sever ity o f the cr ash.
- An elect ron ic cont ro l unit, with integrated
cr ash senso rs for front and s ide imp acts. The
cont ro l uni t "dec ides" whet her to fire the fron t
airbags based on the info rmation received from
the crash sensors . The control unit a lso "de ­
cides" whether the safety belt pretens ione rs
should be activated. ..,.
155

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