134 Driving and operatingResume stored speedTurn thumb wheel to RES/+ ata speed above 20 mph. The storedspeed will be obtained.Switching offPress rocker switch m at the lowerend, control indicator m extinguishes.The stored speed is deleted.Switching off the ignition also deletesthe stored speed.Object detection systemsParking assistThe parking assist makes parkingeasier by measuring the distancebetween the vehicle and obstacles,and giving acoustic signals. It is thedriver, however, who bears fullresponsibility for the parkingmanoeuvre.The system consists of four ultrasonicparking sensors in the rear bumper. Ifthe vehicle is equipped with a frontparking assist the system consists offour additional ultrasonic parkingsensors in the front bumper.Control indicator r 3 88.ActivationWhen reverse gear is engaged, thesystem is activated automatically.The front parking assist can also beactivated at a low speed by pressingthe r button.An illuminated LED in the parkingassist button indicates that thesystem is ready to operate.
