A91-10106.png Block diagram of pre-fitted components for mobile phone installation 1 - Telephone cradle -R126- with mobile telephone -R54-2 - Display unit for front information control unit -J685- in dash panel (centre)3 - Front information control unit -J523- in glove box on left (MMI basic/basic plus)/behind glove box (MMI)4 - Multimedia operating unit -E380- in centre console at bottom5 - Data bus diagnostic interface -J533- behind glove box6 - Control unit in dash panel insert -J285- in dash panel7 - Steering column electronics control unit -J527- on steering column at steering column switch8 - Multi-function steering wheel9 - Microphone unit in front roof module -R164- in front interior light -W1-10 - Digital sound package control unit -J525- behind left luggage compartment side trim (MMI basic plus/MMI)11 - Sound systems12 - Telephone transmitter and receiver unit -R36- in front of front left seat beneath floor covering13 - Microphone unit in front roof module -R164- in front interior light -W1-14 - Mobile telephone aerial amplifier -R86- behind right luggage compartment side trim15 - Aerial for Bluetooth -R152- on telephone transmitter and receiver unit -R36-16 - Radio, telephone and navigation system aerial -R52- (roof aerial)