Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
Before you can start, sit on the seat of your Derbi GPR 125. Begin by activating the instrument panel by simply turning the key in the ignition switch, without starting the engine. Then, press and hold the button located on the right-hand light switch of the handlebars until the "CODE" message appears. At this point, enter the code "423" using the same button, and you will access the menu. Once you have completed this step, select and confirm your intention to reset the "Service" light, then turn off the instrument panel, and you will have completed the reset.

Updated on 14 April 2026 by ScegliAuto

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