| 摘要 |
A device for connecting communications networks has a safety switch with which two communications networks present in the motor vehicle may be connected by a user. In this connection, in particular, a multimedia network having an air interface, preferably implemented by a mobile phone, is connected to a safety network to which vehicle components are connected that are critical to safety. This connection becomes necessary when a remote diagnosis of the vehicle components or a software update is to be undertaken.
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