Home >> Audi >> 2019 >> A3 Premium >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning (HVAC) [Convertible] (2 Of 2) >> 87 Air Conditioning >> Air Guide >> Rear Vents, Removing And Installing >> Rear FOOTWELL Vent, Removing And Installing >> Tightening Specifications