Ram Trucks 2015 ProMaster - Owner Manual - Manual (Page 84)

Air Seat — If Equipped
The seat is equipped with a mechanical spring system
and hydraulic shock absorber to ensure maximum com-
fort and safety. The system of springs also effectively
absorbs impact from uneven road surfaces.
Damper Weight Adjustment
Use the weight adjustment knob to set the required
setting based on body weight, with settings between
88 lbs (40 kg) and 286 lbs (130 kg).
Weight Adjustment Knob
82 UNDERSTANDING THE FEATURES OF YOUR VEHICLE