Mobile communication devices in the vehicle

It is not recommended to use mobile phones, Mobile communication devices in the vehicle
It is not recommended to use mobile phones, such as mobile phones without a direct connection to an external aerial in the vehicle's passenger compartment. Otherwise, the vehicle electronics and mobile communication devices can interfere with each other. In addition, there is no assurance that the radiation generated during transmission will be discharged from the vehicle interior.◀

    See also:

    BMW Maintenance System
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    Sound output
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    Malfunction
    Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...