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How to Reset the AdBlue Warning Light on an Audi Q5?

Model: Audi Q5 MK 1, 8R - Years 2008-2017
Part: AdBlue warning light

When the AdBlue warning light appears on the dashboard of the Audi Q5, it indicates that there may be several issues related to this system: if you have already topped it off, the most common issue is a fault with the control unit for the system. You can access it by lifting the vehicle and removing the protection panel located at the bottom near the left rear wheel. Then, connect a multimeter to the control unit to check for malfunctions. To resolve the issue, you will need to reset the errors by connecting a scanner or completely replace the control unit.

Updated on 6 June 2026 by ScegliAuto

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