The setup in our test vehicle was a second set of controls for the system upfront instead of a separate unit. Rear passengers can change stations on any band not being used by the front seat system. So, if the front passengers are listening to satellite radio, those in back can control FM and AM bands. They also can listen to a disc while the front passengers listen to the radio or vice versa. When the rear system is on, the speakers in the rear doors are muted to make it easier for the rear passengers to hear.
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