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Frequently asked questions about cars and motorcycles

How to Reset the Service Light on the Smart 451?

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

You can clear the Service light on the Smart 451 by pressing the button located on the left side of the dashboard. While holding it down, insert the ignition key into the corresponding slot in the centre console and turn it. This will power on the dashboard, and you can continue holding the button; after a few seconds, you will see that the maintenance light will turn off completely. To verify that the reset has been successful, turn the display off and then on again.

Posted on 15 September 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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