| The telephone pre-installation |

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| Disconnect earth strap from the battery before commencing work on the electrical system. |
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| Determine the anti-theft code of the radio set before disconnecting the battery. |
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| After connecting the battery, carry out the anti-theft coding of the radio set, set clock, on vehicles with power windows, initialise these → Fabia. |
| On vehicles fitted with telephone preinstallation, it is possible to retrofit mobile phones (portables). |
| Mobile phones always require their own operating electronics, a so-called interface box, for operation in SKODA vehicles. This creates the link between the mobile phone and the components installed in the vehicle by means of a standardised VDA plug connection. |
| Whatever type of mobile phone is used, determine from the particular telephone manufacturer which interface box can be used. Interface boxes without a VDA connector require an appropriate adapter (available from e.g. Votex). |
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