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How to Reset the Maintenance Light on a Smart

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

In this guide, you will learn how to easily and quickly reset the maintenance (or service) light on a 2015 Smart Forfour. This operation is very simple to perform, even without any mechanical experience, and it takes just a few seconds to complete. First, insert the key and turn on only the ignition of the vehicle. Next, press the up arrow button located on the left side of the steering wheel and enter the "Messages and service" section. Finally, press and hold the "OK" button for about 30-40 seconds and release it as soon as the display stops flashing.

Updated on 8 May 2026 by ScegliAuto

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How to Reset the Central Locking of the Volkswagen Golf 4?

If the central locking system of the Volkswagen Golf 4 is not working, it is likely necessary to reset the system: to do this, open the driver's door and detach the side panel of the dashboard next to the steering wheel. Under this panel, you will find the fuses, including the one for the central locking, which is indicated in the manual as number 14. To reset the system, remove this fuse from its housing, then reinsert it or replace it with a new one of the same amperage: this will reset the central locking system.

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