change wheel Citroen C4 CACTUS RHD 2015 1.G Owner's Manual

Page 150 of 301

148
Under-inflation detection
The system monitors the pressures in the four ty
res, o nce t he v ehicle i s m oving.
It
 c

ompares
 t
he
 i
nformation
 g
iven
 b
y
 t
he
 f
our
 wh

eel
 s
peed
 s
ensors
 w
ith
 re
ference values,
which must be reinitialised ever y time the
tyre pressures are adjusted or a wheel
changed .
The
 s

ystem
 t
riggers
 a
n
 a
lert
 a
s
 s
oon
 a
s
 i
t
 de

tects
 a d
rop
 i
n
 t
he
 i
nflation
 p
ressure
 o
f
 o
ne
 or m

ore
 t
yres. The u
nder-inflation d etection s ystem do

es
 n
ot
 r
eplace
 t
he
 n
eed
 f
or
 v
igilance
 on t

he
 p
art
 o
f
 t
he
 d
river.
This
 s

ystem
 d
oes
 n
ot
 a
void
 t
he
 n
eed
 t
o
 ch

eck
 t
he
 t
yre
 p
ressures
 (
including
 t
he
 sp

are
 w
heel)
 e
very
 m
onth
 a
s
 w
ell
 a
s
 be

fore
 a l
ong
 j
ourney.
Driving
 w

ith
 u
nder-inflated
 t
yres
 i
mpairs
 ro

ad
 h
olding,
 e
xtends
 b
raking
 d
istances
 an

d
 c
auses
 p
remature
 t
yre
 w
ear,
 pa

rticularly
 u
nder
 a
rduous
 c
ondition
 (h

igh
 l
oading,
 h
igh
 s
peed,
 l
ong
 j
ourney).
System
 w

hich
 a
utomatically
 c
hecks
 t
he
 p
ressures
 o
f
 t
he
 t
yres
 w
hile
 d
riving.
The i nflation p ressures d efined f or yo

ur
 v
ehicle
 c
an
 b
e
 f
ound
 o
n
 t
he
 t
yre
 pr

essure
 l
abel.
For
 m

ore
 i
nformation
 o
n
 t
he
 id

entification
 m
arkings,
 r
efer
 t
o
 t
he
 cor

responding
 se
ction.
Tyre
 p

ressures
 s
hould
 b
e
 c
hecked
 wh

en
 t
he
 t
yres
 a
re
 "
cold"
 (
vehicle
 st

opped
 f
or
 1 h
our
 o
r
 a
fter
 a j
ourney
 o
f
 le

ss
 t
han
 6 m
iles
 (
10
 k
m)
 a
t
 m
oderate
 spe

eds).
Other wise
 (

when
 h
ot),
 a
dd
 0
.3
 b
ar
 t
o
 th

e
 p
ressures
 s
hown
 o
n
 t
he
 l
abel.
Driving
 w

ith
 u
nder-inflated
 t
yres
 in

creases
 f
uel
 c
onsumption.
Driving