Airbag system Ill
----------------=--=---
& WARNING (co ntinued )
PASSENGER AIR BAG OFF light does not come on and stay on,
imm ediately ins tall the rear-facing child seat in a rear seating
position and have the a irbag system inspected by your Audi
dealer .
& WARNING
If, in exceptional circumstances, you mu st install a forward-facing
c hild restraint on the front passenger 's seat:
• Always make sure the forward-facing seat has been designed
and cert ified by its manufacturer for use on a front seat with a
pa ssenger front and side airbag .
• Never put the forward-facing child re straint up against or very
near the instrument panel.
• Alway s move the passenger seat into it s rearmost po sition in
the seat's fore and aft adjustment range, as far away from the
airbag as possible , befo re installing the forward-facing child
restraint. The backrest must be adjusted to an upright pos ition.
• Make sure that the PASSENGER AIR BAG OFF light comes on
and stays on all the time whenever the ignition is switched on .•
Advanced Airbag System components
The front passenger seat i n your veh icle has a lot of very important
parts o f th e A dva nced A irbag System in it. These parts include t he
we ight-sens ing mat, sensors, wiring, bracke ts, and more . The func
ti on of the system in the front p assenger seat is chec ke d by the e lec
tr on ic contro l u ni t whe n the ig ni tion is on . T he contro l unit monitors
the Advanced Airbag System and turns the airbag indicator light on
when a mal function in the system compone nts is detected. The func
tion of the a irbag indicator light is described in g reater detail be low.
Be ca u se the fron t passenge r seat con tains import ant parts of the
Advanced Ai rbag System, you must take care to prevent it from being
Controls and equip
ment Safety first Vehicle operation
damaged
. Damage to the seat may prevent t he Adva nced A irbag for
t he fro nt pa ssenge r se at from d oin g its jo b in a cra sh.
The front Advanced Airbag System consists of the
following:
• Cras h sensors in the front of the vehicle t hat measure vehicle
acc ele rat ion/d ece le rat ion to prov ide info rma tion t o the Adv anced
Airbag System about t he severity of the crash .
• An e lec tron ic con trol uni t, w ith i ntegr ated cr ash sen sors fo r front
and side impacts. The contro l unit "dec ides" w het her to fire the front
air bag s base d on th e inf ormati on re ceived from t he cr ash sensors.
T he control unit also "decides" whether the saf ety b elt pret ensio ners
sh ould be ac tiva ted.
• An Advanced Airbag with gas generator for the dr ive r inside the
stee ring w hee l hub .
• An Advanced Airbag with gas generator inside the inst rument
p ane l for the fron t passenge r.
• A weig ht-sensing mat under the upholste ry padd ing of the front
passenge r seat cushi on th at m easures the tota l we ig ht on t he seat.
The informat ion registe red is se nt co ntinuo us ly to the electronic
contr ol un it to r egulat e dep lo ym en t of th e fr ont Adv anced A irbag on
the passenger side .
• An a irbag moni to ring system a nd ind icator light in the inst rume nt
cl uster =>
page 217.
• The PASSENGER AIR BAG OFF light comes on an d stays o n in the
center o f the instr ument panel =>
page 218, fig. 215 an d tells you
whe n the fr ont Ad van ced Air bag on the p assenge r sid e has bee n
t ur ned off.
• A senso r bel ow th e saf ety b elt la tch fo r the front s eat pa ss e ng er
to meas ure the tension on the safety be lt . Th e tens io n on the safety
bel t an d t he we ight regi stered by the we ig ht- se ns ing mat he lp t he
cont rol un it "dec ide" whether the front airbag fo r th e front
pa ssenger se at sh o uld be tur ned o ff o r no t =>
p age 20 8, "Ch ild
restraints on t he front seat -some important thi ngs to know". ...
Vehicle care Do-it-yourself service Technical data