| Navigation system III is designed to replace navigation system I and features self-diagnosis capability. |
| All displays are provided by way of the dash panel insert connected to the CAN bus (infotainment). |
| All inputs are made by way of the buttons on the function selection switch. |
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| Function selection switch (operating unit) |
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| Dash panel insert (display unit) |
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| Navigation system with CD drive control unit (central unit and navigation unit) |
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