WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cab Clearance Lamp Bulb
Courtesy of CHRYSLER GROUP, LLC
Disconnect and isolate the battery negative cable.
Remove the cab clearance lamp (1) from the roof panel.
Pull the base of the bulb (3) straight out of the socket (2).