What does the AdBlue refill needed, text (red) symbol look like?

Red text AdBlue followed by a tall upturned bottle with a straight spout pointing down. It is also called “AdBlue”, “AdBlue low”, “DEF”, “SCR” and “diesel exhaust fluid”.

AdBlue refill needed, text (red) symbol: red text AdBlue followed by a tall upturned bottle with a straight spout pointing down

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AdBlue refill needed, text (red)

Red text AdBlue followed by a tall upturned bottle with a straight spout pointing down. · also called “AdBlue”, “AdBlue low”, “DEF”, “SCR”, “diesel exhaust fluid”

What it means on audi

AdBlue must be topped up

Fluid has to be added to the AdBlue tank; without it the engine's exhaust emissions will be far too high.

Source · Independent reference Audi dashboard symbols and warning lights list (independent symbol reference website) · checked Nov 10, 2026

Where it appears

Dashboard lights

Audi
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Questions about the AdBlue refill needed, text (red) symbol

What does the AdBlue refill needed, text (red) symbol mean on Audi cars?: Fluid has to be added to the AdBlue tank; without it the engine's exhaust emissions will be far too high.
What does the AdBlue refill needed, text (red) symbol look like?: Red text AdBlue followed by a tall upturned bottle with a straight spout pointing down. It is also called “AdBlue”, “AdBlue low”, “DEF”, “SCR” and “diesel exhaust fluid”.

Checked against the source · Nov 10, 2026 · How we verify

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