Driving and operating 175Press button L. The control indicatorL in the instrument cluster illuminateswhite. If cruise control or adaptivecruise control has been activatedbefore, it is switched off when speedlimiter is activated and the controlindicator m extinguishes.Set speed limitWith speed limiter active, hold thumbwheel turned to RES/+ or briefly turnto RES/+ repeatedly until the desiredmaximum speed is displayed in theDriver Information Centre.Alternatively accelerate to the desiredspeed and briefly turn thumb wheel toSET/-: the current speed is stored asmaximum speed. Speed limit isdisplayed in the Driver InformationCentre.Control indicator L in the instrumentcluster illuminates green.Change speed limitWith speed limiter active, turn thumbwheel to RES/+ to increase or SET/-to decrease the desired maximumspeed.Exceeding the speed limitIn the event of an emergency it ispossible to exceed the speed limit bydepressing the accelerator pedalfirmly beyond the point of resistance.The limited speed will flash in theDriver Information Centre and achime sounds during this period.Release the accelerator pedal andthe speed limiter function isreactivated once a speed lower thanthe limit speed is obtained.DeactivationPress button y: speed limiter isdeactivated and the vehicle can bedriven without speed limit.The limited speed is stored and acorresponding message appears inthe Driver Information Centre.Resume limit speedTurn thumb wheel to RES/+. Thestored speed limit will be obtained.Switching offPress button L, the speed limitindication in the Driver InformationCentre extinguishes. The storedspeed is deleted.By pressing button m to activatecruise control or adaptive cruisecontrol or by switching off the ignition,speed limiter is also deactivated andthe stored speed is deleted.Adaptive cruise controlAdaptive cruise control (ACC) is anenhancement to traditional cruisecontrol with the additional feature ofmaintaining a certain distance behindthe vehicle ahead.Adaptive cruise control automaticallydecelerates the vehicle whenapproaching a slower moving vehicle.It then adjusts the vehicle speed tofollow the vehicle ahead at theselected following distance. Thevehicle speed increases or decreases