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How to Reset the AdBlue Warning Light

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

The orange warning light related to the pollution control system, namely the AdBlue light, comes on when it is necessary to top up the fluid in the tank. If the light turns red, the vehicle will have limited range and will stop running until it is topped up. To reset the light, turn on the ignition and increase the engine revs. On some models, it is necessary to perform the reset using diagnostic software to resolve the issue. On other models, the reset is done using the vehicle's menu.

Updated on 10 September 2026 by ScegliAuto

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