Driving and operating 133Parking 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 signals.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 metre. The interval between thesounds becomes shorter as thevehicle gets closer to that obstacle.When the distance is less than about30 cm, the sound is continuous.DeactivationThe system automatically switchesoff when reverse gear is disengaged.Manual deactivation is also possibleby pressing the parking assist buttonr.In both cases the LED in the buttonextinguishes.