Operation Procedure

1. Turn ignition switch to the ON position.
2. Turn the audio unit off.
3. While pressing the "1" button, turn the volume control dial clockwise or counterclockwise 30 clicks or more. When the self-diagnosis mode is started, a short beep will be heard.
   Fig 1: Turning Audio Unit Off

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4. Initially, all display segments will be illuminated.
   Fig 2: Identifying Display Segments

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Version Check

1. Press the "DISP" switch to enter version diagnostics. "Soft" (audio software version) is displayed.
   Fig 3: Identifying DISP Switch

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2. Press the "DISP" switch again to display the "Hard" (audio hardware version).
   Fig 4: Screen Display - Hard

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3. Press the "DISP" switch again to display the "CD Mech" (CD mechanism version).
   Fig 5: Screen Display - CD Mech

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4. Press the "DISP" switch again to display the "EEP" (audio unit EEPROM version).
   Fig 6: Screen Display - EEP

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5. Press the "DISP" switch again to display the "SDARS" (satellite radio version).
   NOTE: Except for Mexico models
   Fig 7: Screen Display - SDARS

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