2005 Jeep Grand Cherokee Owner Manual - Page 200
2005 Jeep Grand Cherokee Manual
Page 200 highlights
200 UNDERSTANDING YOUR INSTRUMENT PANEL SALES CODE REF - AM/FM/CD (SINGLE DISC) RADIO WITH OPTIONAL SATELLITE RADIO AND HANDS FREE PHONE CAPABILITY Operating Instructions - Radio Mode NOTE: The ignition switch must be in the ON or ACC position to operate the radio. 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. REF Radio For your convenience, the volume can be turned down, but not up, when the audio system is off and the ignition is ON.