It's fairly easy. There are two screws on the door (one by the handle and one by the pull handle (I think)). Then you need to remove the three screws around the speakers. Then pull from the bottom to release the clips and slide up and off.
08 X Sport/Ent -- Sterling Gray/Ebony
03 X Touring/RES -- Taffeta White/Saddle
02 Honda S2000 -- Berlina Black/Black
99 Acura RL -- Naples Gold Metallic/Parchment
12 Toyota Avalon Limited
12 Toyota Highlander V6
16 Lexus GS350