Do it yourself
Frequently asked questions about cars and motorcycles

How to Refill AdBlue

Model: (Various brands) Various
Part: AdBlue warning light

In this video, you will learn how to refill AdBlue (or urea, if you prefer the non-commercial name of the additive). The five-litre containers available in shops have a special nozzle designed to access the tank. Position it over the opening of the container and use this nozzle to locate the additive cap: On most vehicles, it is next to the diesel cap, but some have it inside the boot, even under the spare wheel (making it less accessible). Taking care not to spill it, pour the additive into the tank. Remember that keeping the tank nearly full is the best way to avoid crystallisation of the additive in the tank. Replace the cap, and the operation is complete.

Updated on 9 August 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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