Home >> Audi >> 2023 >> e-tron Quattro Premium Plus >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning (Heating, Ventilation And Air Conditioning - Actuators - Air Ionization) >> 87 Air Conditioning >> Air Duct >> Defrost Function Vent Air Duct, Removing And Installing >> Tightening Specifications