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How to Reset the MMI System on Audi A4

Model: Audi A4 B9 - Years 2014-2024
Part: Warning light – error code

In this short video tutorial, learn how to reset the MMI system on an Audi A4 model B9, produced from 2014 to 2021. First, turn on the instrument cluster without starting the vehicle. Next, move to the control panel of the center console. To perform the reset, press and hold the "NAV/MAP" button, the "RADIO" button, and the central knob simultaneously. After doing this, the central display will turn off. Wait about ten seconds for the system to reboot and reinstall the maps.

Updated on 19 June 2026 by ScegliAuto

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How to Replace the Remote Battery for the Volvo XC40?

In this tutorial, you will see how to replace the battery in the remote for the Volvo XC40, a very simple and quick operation. For this, you will need a replacement battery of type CR2032 and possibly a small flathead screwdriver. First, remove the front cover by pressing the button on the metal ring, then locate the second button, press it as well, and remove the opposite cover. Next, open the circular cap, take out the old battery, and insert the new one in the opposite direction. Finally, reassemble everything.

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