Dodge 2005 Sprinter Cab & Chassis - Manual (Page 61)

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 61
3
Comfortseat (Optional)
Seat adjustment, fore/aft (1)
Seat cushion depth (Optional) (2)
Seat height adjustment, front (3)
Seat height adjustment, rear (4)
Backrest tilt (5)
Lumbar Support
Hand pump (1)
Bleeder valve (2)
Reinforce support:
Use hand pump (1).
Relieve support:
Press bleeder valve (2).