14 IntroductionSpeed dependent volumeWhen speed dependent volume isactivated (3 17), the volume isadapted automatically to compensatefor road and wind noise.Menus on the display screenAccess and navigate menus on thedisplay and adjust values using thefunction buttons on the Infotainmentsystem:■ Press AUDIO to access the Audiosettings menu 3 16.■ Press MENU to access theAdvanced functions menu 3 25.■ Press R or S to scroll throughdisplay menu options.■ Press _ or 6 to adjust values inmenu items.Changes are saved and menus areexited automatically after a briefperiod.Modes of operationRadioOperate the Radio using the functionbuttons:■ Press FM to change the audiosource to FM radio.Press FM repeatedly to switch FMband selection (FM1, FM2, FMAAutostore).■ Press AM to change the audiosource to AM radio.Press AM repeatedly to switch AMband selection (AM1, AM2).■ Press the Station buttons 1...6 torecall a stored radio station.Press and hold 1...6 to store a radiostation.■ Press _ or 6 to automaticallysearch radio stations.■ Press R or S to manually searchradio stations.Using the Radio 3 22.Audio playersOperate the audio players using thefunction buttons:■ Press MEDIA repeatedly to changethe audio source to CD player,Media Player or AUX input.■ Press _ or 6 to skip to previous/next track.Press and hold to fast rewind / fastforward (CD player).■ Press R or S to skip to previous/next folder (MP3 CDs) or artist,genre etc. (Media player).■ Press f to eject a CD.Using the CD player 3 29.Using the AUX input 3 32.Using the USB Media player 3 36.Control operations forHandsfree system (CD 50 withmultimedia only)The Handsfree system is equippedwith steering wheel controls forBluetooth phone, SMS Messagereader and Media player operationand for activating Voice recognition.