2006 Jeep Grand Cherokee Owner's Manual - Page 203

UNDERSTANDING YOUR INSTRUMENT PANEL 203 Power Switch/Volume Control (Rotary) Press the ON/VOL control to turn the radio ON. Press the ON/VOL a second time to turn OFF the radio. Electronic Volume Control The electronic volume control turns continuously (360 degrees) in either direction without stopping. Turning the volume control to the right increases the volume and to the left decreases it. When the audio system is turned on, the sound will be set at the same volume level as last played. RAQ Radio 4 Operating Instructions - Radio Mode NOTE: The ignition switch must be in the ON or ACC position to operate the radio. For your convenience, the volume can be turned down, but not up, when the audio system is off and the ignition is ON. Mode Button (Radio Mode) Press the mode button repeatedly to select between the CD player, Satellite Radio, or Vehicle Entertainment System (VES) (if equipped).