CITROEN 2014 C4 Picasso - Page 176

174
Driving
C4-Picasso-II_en_Chap04_conduite_ed01-2014
Thechangefromonelevelofalert
tothenexttakesplaceifthedriving
conditionsdonotchange(speed
unchanged,nochangeoflane...)
Severeweatherconditions(veryheavy
rain,accumulationofsnowinfront
oftheradar)mayinterferewiththe
operationofthesystem,resultingin
thedisplayofthemessage"System
inactive: Reduced visibility".The
systemremainsunavailableuntilthe
messagedisappears.
Ifthespeedofyourvehicleistoohigh
whenapproachinganothervehicle,the
firstlevelofalertmaynotbedisplayed:
thelevel2alertmaybedisplayed
directly.
Ontheotherhand,thelevel1alert
isneverdisplayedwiththetriggering
threshold3(close).
Alerts
Accordingtothecollisionriskdetectedbythe
systemandthealertthresholdchosen,three
levelsofalertcanbetriggered.
Level 1:visualalertonly(orange)
indicatingthatthevehicleinfrontis
veryclose.Themessage"Vehicle
close"isdisplayed.
Level 2:visual(red)andaudible
alertsindicatingthatacollisionis
imminent.Themessage"Brake!" is
displayed.
Thislevelofalertisbasedontheinter-vehicle
timebetweenyourvehicleandtheoneinfront.
Thislevelofalertisbasedonatimebefore
collision.Ittakesaccountofthevehicle
dynamics,thespeedofyourvehicleand
thespeedofthevehicleinfront,thedriving
conditions,thesituationwithyourvehicle
(cornering,pedalspressed,etc.)totriggerthe
alertattherightmoment.
Level 3:anincreasein
thetensionofthedriver's
seatbelt,toholdthedriver
againstthebackrestoftheir
seat.
The3
rd
levelofalertisnottriggeredor
isinterruptedintheeventofanimpact
betweenthetwovehicles.
The increase in the tension of the
driver'sseatbeltisintendedonlyasan
alert:itdoesnotinanycircumstances
assurethefunctionofdriversafety.
Thetriggeringofthisalertdoesnotact
onthesafetyfunctionsprovidedbythe
seatbelts.