Brief description, audio with navigation
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Brief description, audio with navigation
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Head unit, navigation, EHU (635)
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Main instrument unit, MIU (540)
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Steering wheel controls (633)
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Column Integration Module, CIM (703)
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Radio receiver, TMC (718)
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Antenna, mobile telephone, GPS (627, 467)
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Head unit, navigation, EHU (635)
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Main instrument unit, MIU (540)
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Body Control Module, BCM (707)
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Steering wheel controls (633)
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Column Integration Module, CIM (703)
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OnStar control module (673)
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Radio receiver, satellite radio (349)
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Antenna, mobile telephone, GPS, XM (627/467/364a)
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Antenna, mobile telephone, GPS (627, 467)
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The navigation unit, EHU, is a combined audio and navigation unit. For more information on the audio unit, see technical description of the audio system.
The EHU is loaded with digital maps. The system is programmed with destination, and then the system guides with maps via the LCD display and voice guidance via the speakers.
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Note
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Normal operation of the audio/navigation system is not covered in the Service Manual. Detailed information regarding its operation is provided in the Owner's Manual for the car.
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