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D e c eleration s e ns ors c o ntinu ou sly
m o nitor th e a c c el e ra tio n forc e s a ctin g
u p on th e v e hi cle. If, a s th e re sult of a
fro ntal c ollisio n, a d e c e l e ra tio n is
re a c h e d a t w hic h th e pro te ctio n of th e
saf ety b elts alo n e is n o lo n g e r
a d e q u at e, th e g a s g e n e ra tors of th e
driver a n d p a s s e n g er-fro nt airb a g s are
ig nit e d . H o w ever, th e p a ss e n g er-sid e
air b a g is o nly trig g e re d if a n a d ditio n al
s e n sor h a s re c o g niz e d th at th e
p a ss e n g er s e at is o c cu pie d .
In th e e v e nt of a sid e c ollisio n, th e sid e
air b a g s in th e front a n d / or re ar
* are
trig g ere d if n e c e ssary.
39 0 d e 0 1 2
Th e airb a g s lo c at e d u n d er th e m ark e d
c ov ers inflate a n d u nf old in a m atter of
a f e w millis e c on d s. In this pro c e ss, th e y
te ar thro ug h th e d e sign e d s e p ara tio n
p oints of th e u p h olst er e d c ov ers or
pre ss th e m o ut.
B e c a us e th e inflatio n pro c e s s m u st b e
virtu ally in sta nta n e o u s, it is a c c o m p a -
nie d b y a c ertain a m o unt of ig nitio n a n d
infl atio n n ois e, w hic h will b e dro w n e d
out b y th e n ois e fro m th e a c cid e nt
its elf. Th e g a s re q uire d to inflate th e
air b a g s is not d a n g erou s, a n d th e
ass o ciate d s m o k e th e n dissip a t e s.
Th e e ntire pro c e ss is c o m pl e t e d w ithin
fra ctio ns of a s e c o n d.
Hig hly s e nsitiv e s e nsors m o nitor th e
nu m b er of re v olutio ns of th e w h e e ls.
W h e n e q ui p p e d with D S C , th e y als o
m o nitor ste erin g a n gle , lateral a c c elera -
tio n, bra k e pre s s ure a n d th e m o v e m e nt
of th e v e hicle aro u n d its v ertic al a xis.
If diff ere n c es in th e w h e el s p e e d s
o c c ur, A S C + T c o untera c ts th e d an g er
of w h e els pin b y re d u cin g e n gin e
torq u e ; if n e c e ss ary, A S C + T will also
re s p o n d b y a p plyin g th e bra k e s to th e
re ar w h e els.
In a d ditio n, D S C p erm a n e ntly m o nitors
th e v e hicle's c urr e nt o p eratin g c o n d i-
tio n a n d c o m p ar e s it w ith a n id e al
c o n ditio n th at is c al c ulate d fro m th e
s e n sor's sig n als. If d e viatio n s fro m this
o c c ur (un d erst e erin g or o v e rste e ring,
for insta n c e), D S C c a n sta biliz e th e
v e hicle in fra ctio n s of a s e c o n d b y
re d u cin g e n gin e o ut p ut a n d w ith th e
assista n c e of bra kin g interv e ntio n at
in divi d u al w h e els. D an g ero us s kid s are
th u s pre v e nt e d b e fore th e y c a n e v e n
start, a n d all of this is p o s si ble , of
c o urs e , o nly w ithin p h y sic ally p ossible
limits. Y o u m a y n e e d so m e tim e to
b e c o m e a c cust o m e d to th e syst e m's
int e rv e ntio n. H o w e v er, it pro vid e s
o ptim u m drive f orc e a n d v e hicle
sta bility. T h e bra kin g interv e ntio n m a y
b e a c c o m p a nie d b y s o u n d s s p e cific to
th e syste m .
Airbags ASC+T/ DS C*
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