113
6
Safety
Neverleaveaccumulationsofsnowor
anyobjectprojectingabovethebonnet
orinfrontoftheroof:thismightfallinto
thefieldofvisionofthesensorand
generateadetection.
Operating limits
Thesystemonlydetectsvehicles(cars,lorries)
thatarestationaryormovinginthesame
directionasyourvehicle.
Indifficultweatherconditions(very
heavyrain,snow,fog,hail...),braking
distancesincrease,whichcanreduce
theabilityofthesystemtoavoida
collision.
Thedrivermustthereforeremain
particularlyvigilant.
Thesystemisnottriggeredorisinterruptedif
thedriver:
- acceleratesstrongly(evenifthespeed
limiterison),
- orturnsthesteeringwheelsuddenly
(avoidingmanoeuvre).
Detectioncapabilityislesseffectiveif:
- youaredrivingonroadswithpronounced
bendsand/oronroadsinpoorcondition,
- yourvehicleisexcessivelyloaded,as
thischangesthehorizontalattitudeofthe
vehicle.
- yourvehicleskids.
Itdoesnotdetectsmallvehicles
(bicycles,motorcycles),pedestriansor
animals,nornon-reflectivestationary
objects.
Unwanted triggering of the system
Itispossibleforthesystemtodetectariskof
imminentcollisionandstartworking,inthe
followingconditionsinparticular:
- detectionofanobjectlocatedclosetothe
edgeoftheroadenteringacorner(safety
barrier,lamppostorroadsign),
- detectionofastructurelocatedatthetop
orbottomofasteepslope(advertising
hoarding,steetlighting),
- detectionofreflectiveobjects(central
reservation...)intheroad,
- detectionoftheupperbarofabridgeora
trafficlightgantry,
- passingavehicletravellingintheother
directioninacorner,
- passingavehicletravelingintheother
direction,atacrossroads,whenyour
vehicleisturningleftorright,
- ifthevehicleaheadofyousendsupwater
or snow,
- ifyourvehiclestopsveryclosetoan
overhangingwallorothervehicles,
- whenyourvehicleclosesrapidlyonthe
vehicleahead,
- ifthevehicleisraisedorlowered,
- ifthevehiclepassesthroughaplastic
curtain,
- ifdrivingthroughmistorsmoke,
- ifthesensorismisaligned(following
replacementafteracollision).