I would guess you would just have to set it to shuffle songs on the ipod before you plug it in. I wouldn't think there would be a way to set it to shuffle on the deck. But I might be wrong
Mods: Cargo Net, Chrome Tail light Covers, Chrome Fuel Door, Billet Grille (Upper and lower bumper), Chrome Door Handles, Chrome Hood Vents, Vent Shades, Jeep Mud Flaps, Slushee Floor Mats, Windows Tinted, Kenwood X994 Deck, K&N Cold Air Intake.
Future Mods: Audio System, Cool Future Ideas that I get from the Forum of course.