2008 Jeep Grand Cherokee Owner's Manual - Page 213
2008 Jeep Grand Cherokee Manual
Page 213 highlights
UNDERSTANDING YOUR INSTRUMENT PANEL 213 FM Reception Because FM transmission is based on frequency variations, interference that consists of amplitude variations can be filtered out, leaving the reception relatively clear, which is the major feature of FM radio. NOTE: The radio, steering wheel radio controls (if equipped), and 6 disc CD/DVD changer (if equipped) will remain active for up to 10 minutes after the ignition switch has been turned off. Opening a vehicle front door will cancel this feature. SALES CODE REQ - AM/FM STEREO RADIO AND 6-DISC CD/DVD CHANGER (MP3/WMA AUX JACK) NOTE: The radio sales code is located on the lower right side of your radio faceplate. REQ Radio 4 Operating Instructions - Radio Mode NOTE: The ignition switch must be in the ON or ACC position to operate the radio.
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