Dodge 2005 Ram Pickup 3500 - Manual (Page 146)

To secure the cup, place the cup to be held into one of the
cup wells and then push the cupholder arm toward the
cup until it is held stable. Rear Cupholder — Quad Cab — If Equipped
Quad Cab vehicles may be equipped with a rear cup-
holder that consists of two cupwells for rear passenger
convenience.
Cupholders with Automatic
146 UNDERSTANDING THE FEATURES OF YOUR VEHICLE