Fixes for amplifier, TV tuner, MP3 players, CD changer & head unit.Convenient switching between media sources.AMI support for ACC & WAV files over USB.Fixes for CD Changer, Radio Tuner, Amplifiers, Bluetooth, TV Tuner & DAB Radio.Music volume lowered during navigation announcements.Navigation announcements muted during phone call.MMI 3G Basic systems are usually fitted in the following models: If you are unsure which system your car is fitted with, please contact us. MMI 3G Basic navigation systems can be identified by checking the MMI software version, you can do this by going into Setup -> Settings -> Version information. Software versions always begin with BNav or 3G, please see the examples below. You can check your current software version by going into Setup -> Settings -> Version Information. This will update your software to the following version: If you would like to update your map database. This update can be installed in the comfort of your own home in approximately 1 hour, no dealer intervention or coding required and installation instructions can be found below. Please note that this is not a map update, but a system firmware update. This is the latest available software update for Audi MMI 3G Basic systems.