Buy OEM 2021 Audi Part # 8S09597774PK (8S0-959-777-4P-K, 8S0-959-777-4PK, 8S0959777 4PK). Seat Lumbar Switch. SEAT CUSHION, code 3PK. Power Lumbar Switch - Repair or Replace If your power lumbar doesn't move, your power

Seat Lumbar Switch.
Switch used for the adjustment of the Seat Lumbar.

Seat Lumbar Switch

Fits TT, TT RS, TTS

SEAT CUSHION, code 3PK.
Power Lumbar Switch - Repair or Replace
If your power lumbar doesn't move, your power lumbar switch may be the culprit. Have a technician inspect your 2021 Audi to see if your the switch needs to be replaced.