Every Smart has a different type of stereo andso choosing the correct one can be tricky, we have most versions for most stereos and you can select them from the dropdown based on your vehicle and stereo
This MP3/Aux lead simply plugs in the back of the stereo and the input selected using the input menu on the touchscreen.
If your phone still has a headphone jack, plug it and press play.
450 / 452, 451, 454
Grundig, Highline, Lowline, RADIO 5, RADIO 6 / Navigator, RADIO 9
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