2014 AUDI A7 warning light

156 Airbag sys te m
If the tota l electrical capacitance registe red
on the front passenger seat is more than that
of a typ ica l 1 year-old, but less than the
weight of a small adult, the front a irbag on
the passenger side may deploy (the
PA SSE N­
GER AIR BAG OFF
li ght does not come on).
For e xample , the airbag m ay deploy if :
-a small child that is heavier than a typical 1
year-o ld child is on the front passenger seat
(regardless of whether the child is in one of
the chi ld seats listed
¢ page 177),
-a chi ld who has outgrown child restraints is
on the front passenger seat.
If the front passenger airbag is turned off, the
PASSENGER AIR BAG OFF light in the center
of the instrument panel wi ll come on and stay
on.
If the front passenger airbag deploys, the
F ederal Standard requires the airbag to meet
the " low risk" deployment criteria to help re­
d uce the risk of injury through interaction
with the airbag. "Low risk" deployment occurs
in those crashes that take place at lower de­
celerations as defined in the electronic control un it
¢ page 161.
Alw ays rem ember : Even though your vehicle
is equipped with Advanced Airbags, the safest
place for children is properly restrained on the
back seat . Please be sure to read the impor­
tant information in the sect ions that follow
and be sure to heed a ll of the WARNINGS.
.&_ WARNING
To reduce the risk of injury when an airbag
inflates, a lways wear safety belts prope rly.
- If you are unrestrained, lean ing fo rward,
sitting sideways or out of position in any
way, your risk of injury is much higher.
- You w ill also receive serio us injuries and
cou ld even be killed if you are up against
the a irbag or too close to it when it in ­
flates - even with an Advanced Airbag
¢page 149.
.&_ WARNING
A child in a rearward-fac ing ch ild seat in­
stalled on the front passenger seat will be
seriously injured and can be killed if the
front airbag inflates - even w ith an Ad­
van ced A irbag System.
- Altho ugh the Advanced Airbag System in
your veh icle is designed to turn off the
front airbag when a rearward-facing
child restraint has been instal led on the
front passenger seat, nobody can abso ­
lutely g uarantee that dep loyment is im­
possible in all conceivable situations that
may happen dur ing the usefu l life of your
veh icle.
- The inflating airbag will h it the ch ild seat
or infant carrier with great force and will
smash the child seat and child against
the backrest, center armrest, door, or roof.
- Always install rearward-facing ch ild re­
straints on the rear seat .
- If you must install a rearward fac ing
child seat on the front passenger seat because of exceptional circumstances
and the
PASSENGER AIR BAG OFF light
does not come on and stay on, immed i­
a tely insta ll the rear-facing child seat in a
rear seat ing pos ition and have the airbag
system inspected by your Audi dealer.
.&_ WARNING ,..___
If, in except iona l circumstances, you m ust
install a forward -facing child restraint on
the front passenger's seat:
- Always make sure the forward-facing
seat has been designed and certified by
its manufacturer for use on a front seat
with a passenger front and s ide a irbag.
- Never p ut the forward-facing child re­
straint up against or very near the instru­
ment panel.
- Always move the passenger seat into its
rearmost pos ition in the seat's fore and
aft ad justment range, as far away from
the airbag as possible, before install ing
the forward-fac ing ch ild restra int. The
-

backrest must be adjusted to an upright
posit ion.
- Always make sure that there is nothing
on the front passenger seat that will
cause the capacitive passenger detection
system in the seat to s ignal to the A irbag
System that the seat is occupied by a person when it is not, or to signa l that it
is occupied by som eone who is heavier
than t he pe rson actually s itting on t he
sea t. T he presence of addition al obje cts
cou ld cause the passenger front airbag
to be t urned on when it sho uld be off, or
cou ld cause t he airbag to work in a way
that is different from the way it wou ld
have worked without the object on the
seat.
- Make sure that the
PASSENGER AIR BAG
OFF
light comes on and stays on all the
t ime w henever the ignition is switc hed
on.
Advanced Airbag System components
The front passenger seat in your vehicle has a
l ot of very important parts of the Advanced
A irbag System in it. These parts incl ude t he
c a pac itive passenger de te ct ion sys tem, wir­
ing, b racke ts, and more . The cont ro l uni t
monitors the system o n the front passenger
seat when the ign ition is switched on and
turns the airbag indicator light on w hen a
malfunct ion in the one of the system compo­
nents is detected ¢
page 162. Because the
fro nt passenge r seat contains important parts
of the Advanced Airbag System, you must
take care to p revent it from bei ng damaged.
D amage to the seat may preven t the Ad ­
vanced A irbag System for the front passenger
seat from doing its job in a crash .
The front Advanced Airbag System
consists of the following:
-Crash sensors in the front of the veh icle tha t
measure ve hicle acceleration/dece le ration
to provide information to the Advanced Air­ bag System about the severity of the crash.
A irbag system 157
- An elect ron ic contro l unit, with integrated
crash sensors fo r front and side impacts .
T he control un it "decides" whether to f ire
the front a irbag s based on the informat ion
received from the crash sensors. The control
unit also "decides" whether the safety belt
prete nsione rs should be act iva ted .
- An Advanced A irbag w it h gas generator and
cont ro l valve for the driver ins ide the steer ­
ing wheel h ub.
- An Advanced A irbag w ith gas generator and
cont ro l valve inside the instrument pa nel for
the front passenger .
- A capacit ive passenger detection system un ­
de rneath the front passenger seat cover .
This system measu res the ele ct rical capac i­
t ance of the perso n in the seat. The informa ­
t ion regis tered is se nt cont inuo usly to the
elec tronic con trol un it to regu late dep loy­
ment of the front Advanced A irbag on the
passenger side.
-An airbag monitoring system an d ind icator
light in the instr ument cluster ¢
page 161.
-A senso r in each front seat registers the dis ­
tance between the respective seat a nd the
steering whee l or instrument panel. The in­
formation registered is sent cont inuo usly to
the electron ic contro l unit to regulate de­
ployment of the front Adva need A irbags .
- The
PASSENGER AIR BAG OFF li ght comes
on and stays on in the center of the instr u­
ment panel ¢
page 162, fig . 164 and tells
you whe n the front Advanced Airbag on the
passenger side has been tu rned off.
- A senso r in t he safety belt latch fo r the d riv ­
er and fo r the front seat passenger that
senses whethe r th at safety belt is latched or
no t and tra nsmi ts this informa tion to the
elec tro nic con trol un it.
A WARNING
D amage to the fron t passenger se at can
p revent the front air bag from work ing
p roperly.
- Imp roper repai r or disassembly of the
front passenge r and dr iver seat will pre­
vent the Advanced Airbag System from
functioning properly.
-
•
•

158 Airbag system
-Repairs to the front passenger seat must
be performed by qualified and properly
trained workshop personnel.
- Never remove the front passenger or
driver seat from the vehicle.
- Never remove the upholstery from the
front passenger seat.
- Never disassemble or remove parts from
the seat or disconnect wires from it.
- Never carry sharp objects in your pockets
or put them on the seat. The capacitive
passenger detection mat in the front
passenger seat will not function properly
if it is punctured .
- Never carry things on your lap or carry
objects on the front passenger seat.
Such objects can influence the capaci­
tance registered by the capacitive pas­ senger detection system, so that incor­
rect information is provided to the airbag
control unit.
- Never store items under the front pas­
senger seat. Parts of the Advanced Air­
bag System under the passenger seat
could be damaged, preventing them and
the airbag system from working proper­
ly.
- Never place seat covers or replacement upholstery that have not been specifical­
ly approved by Audi on the front seats.
- Seat covers can prevent the Advanced
Airbag System from recognizing child re­
straints or occupants on the front pas­
senger seat and prevent the side airbag
in the seat backrest from deploying prop­
erly .
- If a seat heater has been retrofitted or
otherwise added to the front passenger
seat, never install any child restraint sys­
tem on this seat.
- Never use cushions, pillows, blankets, or similar items on the front passenger
seat. The additional layers prevent the
capacitive passenger detection system
from accurately measuring the capaci­
tance of the child safety seat and/or the
person on the seat and thus keep the Ad- vanced Airbag System from working
properly.
- Never place or use any electrical device
(such as a laptop, CD player, electronic
games device, power inverter or seat
heater for child seats) on the front pas­
senger seat if the device is connected to
the 12-volt socket or the cigarette light­
er socket . Such devices can influence the
capacitance registered by the capacitive
passenger detection system, so that in­
correct information is provided to the air­
bag control unit.
- If you must use a child restraint on the
front passenger seat and the child re­
straint manufacturer's instructions re­
quire the use of a towel, foam cushion or
something else to properly position the
child restraint, make certain that the
PASSENGER AIR BAG OFF light comes
on and stays on whenever the child re­
straint is installed on the front passen­
ger seat.
- If the
PASSENGER AIR BAG OFF light
does not come on and stay on, immedi­
ately install child restraint in a rear seat­
ing position and have the airbag system
inspected by your Audi dealer.
.&_ WARNING ~
If the front passenger seat gets wet, dry it
immediately.
- If liquid soaks into the front passenger
seat, this can keep the airbag system
from working properly and may, for in­
stance, deactivate the passenger frontal
airbag. If this happens, the
PASSENGER
AIR BAG OFF
light will come on and stay
on together with the airbag indicator
light
fl in the instrument cluster .
- If liquid is pooled on the seat, but has
not soaked in, this may also keep the air­
bag system from working properly and
cause the passenger frontal airbag to be
enabled (turned on), even though there
is a properly installed child restraint sys-
tem on the seat. Wet towels or other wet
~

things on the seat cushion can have the
same eff ect. I f the front passen ger fron­
tal airbag is turned on, the
PASSENGER
AIR BAG OFF
light light will go out.
How the Advanced Airbag System
components work together
The fron t Advanced Airbag System and the
side airbags supplement the protection of­
fered by the front three -point safety be lts
with p retensioners and load limiters and the
adjustab le head restraints to he lp reduce the
risk of injury in a wide range of accident and
crash situat ions. Be sure to read the impor­
tant information about safety and heed the
WARNINGS in this chapter .
Dep loyment of the Advanced Airbag System
and the act ivation of the safety be lt preten­
sioners depend on the dece lerat ion measured
by the crash sensors and registered by the
e lectronic control un it. The amount of infla­
tion of the front airbags can also be adapted to the front seat posi tion, depend ing on the
d istance between the respective front seat
and the steering whee l or instrument panel as
registe red by sensors in the seats. Crash se­
verity depends on speed and deceleration as
well as the mass and stiffness of the vehicle
or object involved in the crash .
On the passenger s ide, regard less of safety
be lt use, the front passenger f ronta l airbag
will be turned off if the electrical capacitance
measured by the capac itive passenger detec­
tion system on the front passenger seat is less
tha n the amount programmed in the electron­
ic control unit. The front passenger fronta l air­
bag will a lso be turned off if the capa cita nce
measured by the system for the front pa ssen­
ger seat equa ls t hat of an infant of abo ut one
yea r of age in one o f the child seats that was
used to cert ify the Advanced Airbag System
under Federal Motor Vehicle Safety Standard
208. The
PASSENGER AIR BAG OFF li ght
comes on and stays on to tell you when t he
front Adva nced Airbag System o n the passen­
ger s ide has been turned off~
page 162 .
Airba g sy stem 159
A WARNING
To reduce the risk of injury w hen an airbag
in flates, always wear safety be lts p ro perly.
- If you are unrestra ined, leaning forward,
sitt ing s ideways or o ut of pos ition in any
way, your ris k of injury is m uc h higher.
- You will a lso receive serious injuries and
co uld even be killed if yo u are up aga inst
the airbag o r too close to it when it in­
flates -even w it h an Advanced A irbag
~ page 149.
More important things to know about
front airbags
Fi g. 16 3 In flated front a irbags
Safety belts a re important to he lp keep front
seat occupants in the proper seated position
so that ai rbags can unfold p roper ly and pro­
v ide s upplement al pro tect ion in a fron tal col­
lis ion .
T he front airbags a re des igned to provide ad­
di tional protection fo r the chest and fa ce of
the driver a nd the front seat p assenger when :
- safety belts are worn properly,
- the seats have been positioned so that the
occupant is properly seated as far as poss i­
b le from th e airbag,
- and the head restraints have been properly adjusted .
Because airbags inflate in the bli nk of an eye
with great force, th ings you have on your lap
or have p laced on the seat cou ld become dan ­
gerous p ro jecti les, and be pushed in to you if
t h e a irbag inf lates.
When an airbag deploys, fine dust is re leased.
This is norma l and is not caused by a fire i n .,,.

160 Airbag sys te m
the vehicle. This dust is made up most ly of a
powder used to lubricate the airbags as they
deploy . It cou ld irritate sk in .
I t is important to remember that whi le the
supp lemental airbag system is designed to re­
duce the likelihood of serious injuries, other
in ju ries, for example swelling, bruising and
minor abrasions, can also happen when air­
bags inflate. Airbags do not protect the arms
or the lower parts of the body . Front airbags
supplement the three-poi nt safety belts only
in some frontal co llisions in which the vehicle
dece lera tion is high enough to deploy the air­
bags.
Front airbags will not d eploy:
- if the ignit ion is switched off when a crash
occurs,
- in s ide collisions,
- in rear-end collisions,
- in ro llovers,
- when the crash deceleration measured by
the airbag system is less than the minimum
threshold needed for airbag deployment as
registered by the electronic control unit.
Th e front pa ssenger airbag al so will not
d epl oy :
-when the front passenger seat is not occu ­
pied,
- when the electrical capacitance measured by
the capacitive passenger detection system
for the front passenger seat indicates that
the passenger side frontal airbag must be
switched off by the electronic control unit (the
PASSENGER A IR B AG OFF light
c::> page 162 and how they wo rk comes on
and stays on).
.&_ WARNING
Sitting in the wrong position can inc rease
the risk of serious injury in crashes .
- To reduce the r isk of injury when the air­
bags inflate, the driver and passengers
must always sit in an upright position,
must not lean against or place any part of their body too close to the area where
the airbags are
located .
- Occupants who are unbelted, out of posi­
tion or too close to the airbag can be se­
rious ly injured by an airbag as it unfolds
with great force in the blink of an eye
c::> page 151 .
.&_ WARNING
--A child in a rearward-fac ing ch ild seat in -
stalled on the front passenger seat will be
se riously inju red and can be killed if t he
front ai rbag inflates - even w ith an Ad­
vanced A irbag System.
- The inflating airbag will h it the c hild seat
or infant car rier with great force and will
smash the child sea t and chi ld against
the backrest, center armrest, door or
roof.
- Always install rear -fac ing chi ld seats on
the rear seat.
- If you m ust insta ll a rearward fac ing
chi ld seat on the front passenger seat
because of exceptional circumstances
and the PAS SENGER AIR BAG O FF light
does not come on and stay on, immed i­
ately install the rear-facing child seat in a rear seat ing pos ition and have the airbag
system inspected by you r Audi dealer .
.&_ WARNING
= -
Objects between you and the airbag will
i ncrease the r is k of injury in a crash by in­
terfering with the way the a irbag unfolds
or by be ing p ushed in to you as the airbag
i nflates.
- Neve r hold things in yo ur hands or on
your lap when the veh icle is in use.
- Never transpo rt items on o r in the a rea
of the front p assenger sea t. Objects
could move into the a rea of the front air­
bags during braking or other sudden ma ­
neuvers and become dangero us projec­
tiles that can cause ser ious personal in-
jury if the a irbags inf late. ..,.

-Never place or attach accessories or o th ­
er objects (such as cup hol ders, tele­
phone brackets, large, heavy or bulky ob­
jects) on the doors, over or near the area
marked ''AIRBAG" on the steering wheel,
instrument panel, seat backrests or be­
tween those a reas and yourself. These
objects co uld cause injury in a crash, es­
pecially when the airbags inflate .
- Never recline the front passenger's seat
to transport objec ts. Items can also
move into the area o f the side airbag or
the front airbag during braking or in a
sudden maneuver . Objects near the air­
bags can become project iles and cause
injury, part icularly when the seat is re­
cl ined .
- Never place or transport ob jects on the
front passenger seat. Objects on the
front passenger seat could cause the ca­ pacitive senso r in the seat to s ignal to
airbag system that the seat is occupied
by a person when it in fa ct is not, o r that
the person on the se at is he avier than he
or she actually is. The change in electric
capacitance beca use of such objects can
cause the passenger front airbag to be
turned on when it sho uld be
off, or can
cause the airbag to work in a way that is
different from the way it wou ld have
worked w ithout objects on the seat.
- Always make sure that there is nothing
on the front passenger seat that will
cause the capacitive passenge r detection
system in the s eat to s ignal to the A irbag
System that the seat is oc cupied by a
pers on when it is not, or to sign al that it
is occupied by someone who is heavier
than the pe rson actually s itting on the
seat . The presence of an object co uld
cause the passenger front a irbag to be
turned on when it sho uld be
off, or co uld
cause the airbag to work in a way that is
different from the way it wou ld have
worked w ithout the object on the seat. A
irbag
sys tem 161
A WARNING
The fine dust created when airbags deploy
can cause breathing prob lems fo r people
with a history of as thma or other breath­
ing cond itions.
- To reduce the risk of breath ing problems,
those wi th asthma o r other respiratory
conditions s hou ld get fresh air r ight
away by get ting o ut o f the veh icle or
open ing win dows or do ors.
- If you are in a collision in which airbags
deploy, was h your ha nds and fa ce with
mild soap and wate r be fore eating.
- Be ca reful not to get the dust in to your
eyes, o r into any c uts or sc ratches.
- If the resid ue should get into your eyes,
f lus h t hem w ith wa te r.
Monitoring the
Advanced Airbag System
fl~ Airbag monitoring indicator light
Two separate indicators monitor the function
of the Advan ced Airbag System: the airbag
monitoring indi cator light and the
PASSEN­
GER AIR BAG O FF
light.
The Advanced A irbag System ( includ ing the
electron ic co ntro l unit, sensor circu its and sys­
tem wir ing) is monitored con tinuously to
make sure that it is functio ning properly
whenever the ignition is on. Each time you
switch on the ignition, the airbag monitor ing
indicator light
fl will come on for a few sec­
onds (self diagnost ics).
The sy stem must be in spected when the
indicator light
I :
- does not come on when the ignition is
sw itched on,
- does not go out a few seconds after you
have switched on the ignit ion, or
- comes on while driv ing.
If an airbag system malfunc tion is detec ted,
the indicator light wi ll first start f lashing to
catch the driver's attention and then stay on
llo-
•
•

162 Airbag system
continuously to serve as a constant reminder
to have the system inspected immediately.
If a malfunction occurs that turns the front
a ir bag on the passenger side off, the
PAS SEN­
GER AIR BAG OFF
light will come on and stay
on whenever the ignition is on.
.&_ WARNING
An airbag system that is not functioning
properly cannot provide supplemental pro­
tection in a frontal crash.
- If the airbag indicator light
c::> page 19
comes when the vehicle is be ing used,
have t he system inspected immediately
by your authorized Aud i dea ler . It is pos­
sible that the airbag will inf late when it
is not supposed to, or w ill not inflate
when it sho uld.
PASSENGER AIR BAG OFF light
Fig. 164 Section from the inst rument panel : PASSEN­
GER AIR BAG O FF light
The PAS SENGER AIR BAG OFF Light is Located
in the cen ter of the instrument panel
c::>fig . 164.
The PASSENGER AIR BAG OFF Light will come
on and stay on to tell you when the front Ad­
vanced A irbag on the passenger side has been
turned off by the e lectronic control unit . If the
bu lb for the
PAS SENGER AIR BAG OFF Light
burns out, the a irbag ind icator light
fl will
come on to signal a malfunction in the Ad·
vanced Airbag System . Although the burned­
out bulb will not change the way the front
passenger's frontal airbag works, it w ill no
L onger be possib le to use the
PASSENGER AIR
BAG OFF
Light to make sure tha t the ai rbag on/off status is correct for the occ
upant on
the front passenger seat . Have the airbag sys­
tem inspected immediately by your author­
ized Audi dea ler.
The PASSENGER AIR BAG OFF light will blink
for about 5 second s when:
- t he ignition is sw itched on and
- the capacit ive passenger detection system,
which switc hes the front seat passenger's
frontal Advanced Airbag on and off, detects a change in the status of the front passen­
ger seat.
As soon as the
PASSENGER AIR BAG OFF
l igh t stops b linking, a lways make sure tha t
the a irbag status (on or off) as shown by the
PAS SENGER AIR BAG OFF Light is proper for
the age, size and e lectrical capacitance of the
person occupy ing the front passenger seat.
Always make sure that the safety belt for the
front passenger seat is properly fastened .
The PASSENGER AIR BAG OF F light will
s ho w the status of the front seat pass enger 's
frontal Ad van ced Air bag a few seconds after
the ign ition is sw itched on and the airbag in­
dicator light go es off. The PA SSENG ER AIR
BAG OFF li ght :
-will stay on if the front passenger seat is not
occupied;
- will stay on if the e lectrical capacitance
measured by the capacitive passenger de­
tect ion system for the front passenger seat
equa ls the combined capacitance of an in­
fant up to about one yea r of age and one of
the rearward-facing or forward-fac ing ch ild
restrai nts listed i n Federal Motor Vehicle
Safety Standard 208 with which the Ad­
vanced Airbag System in your vehicle was
certified; For a Listing of the child restraints
that were used to certify your vehicle's com ­
pliance with the U.S. Safety Standard
c::> page 177.
- will go out if the front passenger seat is oc­
cupied by an adult as registered by the ca­
pacitive passenger detection system.

164 Airbag sys te m
cushion wit h his or her back up against the
backrest and the backrest is n ot reclined,
- the adu lt is not taking weight off the seat by
holding on to the passenger assist handle
above the front passenger door or support­
ing their weight on the armrest,
- the safety be lt is being properly worn and
that there is not a lot of slack in the safety
belt webbing,
- there are no aftermarket seat covers or
cushions or other things (such as b lankets)
on the front passenger seat that might
cause the capacitive passenger detection
system to miscalculate electrical capac i­
tance .
Important safety instructions on
monitoring the Advanced Airbag System
A WARNING
-If the status of the Advanced A irbag Sys­
tem has changed wh ile the vehicle is
moving, the
PASSENGER AIR BAG OFF
light blinks for about 5 seconds to catch
the drive r's attent ion.
If this happens, al­
ways s top as soon as it is safe to do so
and check the steps described above.
- If the
PASSENGER AIR BAG OFF light
does not go off when an adu lt who is no t
very small is sitting on the front passen ­
ger seat after taking the steps described
above, make sure the adult is properly
seated and restrained at one of the rear
seating pos itions. Have the a irbag sys­
tem inspected by your authorized Audi
dealer before transpo rting anyone on the
front passenger seat.
A WARNING , --
An airbag system that is not funct io ning
prope rly cannot provide supplemental p ro­
tect ion in a fron tal crash.
- If the airbag indicator light ~ page 19
comes when the vehicle is be ing used,
have t he system inspected immedi ate ly
by yo ur authorized Aud i dea ler .
It is pos­
sible that the airbag will inflate when it is not supposed to, or will not
inflate
when it should.
A WARNING
-If the front airbag inflates, a child without
a child restraint, or in a rearward-facing
chi ld safety seat, or in a forward -facing
chi ld restraint that has not been proper ly
i nstalled w ill be seriously injured and can
b e killed.
- Even though you r vehicle is equipped
with an Adva nced A irbag System, make
certain that all children, espe cial ly 12
ye ars and you nger, always ride on the
back seat properly rest rained for their
age and size .
- Always inst all forward o r rear-fa cing
child seats on the rear sea t - even with
an Advanced Airbag System.
- If you must ins tall a rearwa rd -facing
child seat on the front passenger seat because of exceptional circumstances
and the
PASSENGER AIR BAG OFF light
does not appear and stay on, immediate ­
ly install the rear-facing child seat in a
rea r seat ing pos ition and have the airbag
sys tem inspected by you r Audi dealer .
- If, in exceptiona l circumstances, you
m ust install a forward-fac ing c hild re­
straint on the front passenger seat, al­
ways move the seat into its rearmos t po­
sition in the se at's fore and aft adjust­
men t range, as far away from the a irbag
as poss ible . The backrest mus t be ad just­
ed to an upright pos ition . Make su re that
the
PASSENGER AIR BAG OFF light
comes on and stays on all the time when­
ever the ignit ion is switched on.
A WARNING
-
- If the PASSENGER AIR BAG OFF light
does not go out when an adult is sitting
on the front passe nger seat after taking
the steps described above, make su re the
adu lt is prope rly seated a nd restra ined at
one o f the rea r seat ing pos itions.
~