2009 Dodge Ram 2500 Pickup Owner Manual - Page 224

222 UNDERSTANDING YOUR INSTRUMENT PANEL RND/SET Button (Random Play Button) (CD Mode) Press this button while the CD is playing to activate Random play. This feature plays the selections on the compact disc in random order to provide an interesting change of pace. Press the SEEK button to move to the next randomly selected track. Press the RND button a second time to stop Random play. Operating Instructions - Auxiliary Mode The auxiliary (AUX) jack is an audio input jack, which allows the user to plug in a portable device such as an MP3 player, cassette player, or microphone and utilize the vehicle's audio system to amplify the source and play through the vehicle speakers. The auxiliary mode becomes active when an electrical device is plugged into the AUX jack using a standard 3.5 mm stereo audio cable and the user presses and releases the MODE button until "AUX" appears on the display. NOTE: The radio will return to the last stored mode if the ignition switch is turned from the OFF/LOCK position to the ACC position, the radio is turned on, and the radio was previously in the AUX mode. SEEK Button (Auxiliary Mode) No function. MUTE Button (Auxiliary Mode) Press the MUTE button to cancel the sound from the speakers. ЉMUTEЉ will display. Press the MUTE button a second time and the sound from the speakers will return. Rotating the volume control or turning the ignition OFF/ON will also return the sound from the speakers.