Connection Diagram - Pneumatic System, Comfort Seats

Courtesy of AUDI OF AMERICA, LLC

1. Seat Bolster Inflation Adjuster
   • Right
2. Pneumatic System Compressor
   • Driver Multi-Contour Seat Compressor - V439-, Front Passenger Multi-Contour Seat Compressor - V440-
3. Seat Bolster Inflation Adjuster
   • Left
4. Backrest Bolster Inflation Adjuster
   • Left
5. Valve Block 2
   • for lumbar support and bolster adjuster
   • Valve Block 2 in Driver Seat - N476-, Valve Block 2 in Front Passenger Seat - N478-
6. Pneumatic Lumbar Support
   • Module with Air Cushions for Lumbar Support
7. Backrest Bolster Inflation Adjuster
   • Right
8. Massage Mat
   • in the cushion
9. Valve Block 1
   • For massage function
   • Valve Block 1 in Driver Seat - N475-, Valve Block 1 in Front Passenger Seat - N477-