Driving and operating 143Increase speedWith cruise control active, hold thumbwheel turned to RES/+ or briefly turnto RES/+ repeatedly: speedincreases continuously or in smallincrements.Alternatively accelerate to the desiredspeed and store by turning to RES/+.Reduce speedWith cruise control active, hold thumbwheel turned to SET/- or briefly turnto SET/- repeatedly: speeddecreases continuously or in smallincrements.DeactivationPress button y, control indicator milluminates white. Cruise control isdeactivated. The stored speed ismemorised.Automatic deactivation:■ vehicle speed below approx.20 mph,■ the brake pedal is depressed,■ the clutch pedal is depressed for afew seconds,■ selector lever in N,■ engine speed in a very low range,■ the Traction Control system orElectronic Stability Control isoperating.Resume stored speedTurn thumb wheel to RES/+ at aspeed 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.Parking 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 93.