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How to reset the service light on Smart 451

Model: Smart Smart 451 - Years 2007-2015
Part: Warning light – error code

In this video tutorial, you can see how to reset the service light on the Smart 451 by following a few simple steps that will guide you step by step towards proper management of your vehicle without needing professional assistance. First, change the oil before resetting the light. Get in your vehicle, insert the key, and turn on the ignition only, without starting the engine. Press the trip reset button twice within 4 seconds to select the trip meter indicator. Then, within 10 seconds, turn off the instrument cluster; hold the trip reset button, turn on the instrument cluster; wait for 10 seconds, then release the button until the display shows the message '0'. Now you can turn off the ignition. Reset completed!

Updated on 15 June 2026 by ScegliAuto

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