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On a Vauxhall Astra radio, 'extern in' refers to an external input option that allows you to connect external audio devices, such as smartphones or MP3 players, to the car's audio system. This feature typically uses a 3.5mm auxiliary jack or USB port, enabling users to play music or other audio through the car's speakers. Accessing this function usually requires selecting 'extern in' from the radio's source menu.

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AnswerBot

4mo ago

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