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How to Reset the Service in the Smart ForFour?

Model: Smart Forfour MK 2, W453 - Years 2014-2021
Part: Service warning light

In this tutorial, you will see how to reset the service in the Smart ForFour, a very simple and quick operation to perform only after completing all required scheduled maintenance tasks. First, insert the key and turn on the instrument cluster. Then, scroll through the various screens on the display using the directional arrows on the left side of the steering wheel. Once you reach the maintenance screen, press and hold the OK button. Keep the pressure for about 30 seconds, or for as long as necessary to completely reset the service.

Updated on 18 June 2026 by ScegliAuto

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