Do it yourself
Frequently asked questions about cars and motorcycles

How to Reset the On-Board Computer of a Citroen C3?

Model: Citroen C3 SY, SX - Years 2016-2023
Part: Warning light – error code

The video shown here clearly explains how to access the actual control of the vehicle's system, specifically the on-board computer. With the instrument cluster powered on, press the button marked with a musical note to the left of the main monitor and enter the authorisation code 7503900 to access the system management. At this point, you can not only completely reset all settings of the on-board computer but also modify, as demonstrated by the video presenter, any data, value, and parameter related to the vehicle.

Updated on 28 June 2026 by ScegliAuto

Video tutorial

Related tutorials

Citroen C3 (2009-2016 / SC) In order to reset the on-board computer of the Citroën C3, you will need to insert the ignition key into the corresponding ignition slot and turn it …
Citroen C3 (2016-2023 / SY, SX) Today we will explain how to connect your iPhone to the onboard computer of the 2023 Citroen C3 so you can listen to music directly from your phone. …
Citroen C3 (2009-2016 / SC) What to do if the maintenance light appears on a Citroen C3? Let's see how to reset the light. Turn on the instrument cluster with the appropriate ke…

    Frequently Asked Questions

    • C3 2016-2023 - What does the MAX warning light on Citroen C3 indicate? Read answer
    • C3 2016-2023 - How to reset the car radio of the Citroen C3? Read answer
    • C3 2009-2016 - What does the SERV warning light indicate in the Citroen C3? Read answer
    • C3 2009-2016 - What does the orange warning light mean on Citroen C3? Read answer
    • C3 2009-2016 - What does the power steering light on a Citroen C3 mean? Read answer

How to Replace the Battery on a Honda Vision 110

To replace the battery on a Honda Vision 110, you need to remove the front fairing of the motorcycle, located directly under the front headlamp. To loosen this panel, unscrew the two screws found at its top, just below the handlebar. Once these screws are loosened, lever under the panel to detach it, gaining access to the battery underneath: this battery must be removed from its housing by unscrewing the fixing screws and disconnecting the power cables, replacing it with a new one.

Watch the video!


by ScegliAuto

More videos