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WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.
-- The Ultrasound A/C Cleaner is placed in the front passenger footwell and sprays the cleaning solution Aero-Clean. Aero-Clean, neutralizes microbes and bacteria inside the heater and A/C unit. Refer to Front Heater and A/C Unit (vehicle-specific service information).
The unit comes with instructions.
Current devices. Refer to the Parts Information.