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How to Reset the Service Light on a Smart Forfour

Model: Smart Smart 451 - Years 2007-2015
Part: Service warning light

If you want to postpone the service on your 2014 Smart Forfour and eliminate the warning light from the dashboard, carefully read the following mini guide and follow the instructions provided. First, ensure that the car is completely off. Then, insert the key and turn on the instrument cluster. At this point, use the indicator buttons located on the left side of the steering wheel to navigate through the menu until you find the vehicle maintenance option. Press and hold the "OK" button for about 20 seconds and release it to complete the reset.

Updated on 16 May 2026 by ScegliAuto

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