Driving and operating 159The minimum indicated distance is0.5 seconds.If there is no vehicle ahead or thevehicle ahead is out of range, twodashes will be displayed: -.- sec.Parking assistRear parking assist9 WarningIt is the driver who bears fullresponsibility for the parkingmanoeuvre.Always check the surroundingarea while reversing and using therear parking assist system.The rear parking assist makesparking easier by measuring thedistance between the vehicle andrear obstacles. It informs and warnsthe driver by giving acoustic signalsand display indication.The system has four ultrasonicparking sensors in the rear bumper.ActivationWhen reverse gear is engaged, thesystem is ready to operateautomatically.An illuminated LED in the parkingassist button r indicates that thesystem is ready to operate.IndicationThe system warns the driver withacoustic signals against potentiallyhazardous obstacles behind thevehicle in a distance range up to1.5 metres. The interval between thesounds becomes shorter as thevehicle gets closer to that obstacle.When the distance is less thanapprox. 30 cm, the sound iscontinuous.Additionally, the distance to rearobstacles is displayed by changingdistance lines in the DriverInformation Centre 3 96 or,depending on the version, on theColour-Info-Display 3 100.The distance indication can beinhibited by vehicle messages with ahigher priority. After approving themessage by pressing SET/CLR onthe turn signal lever, distanceindication appears again.
