See also:

Software update
The vehicle supports various external devices, depending on the software it is currently using. A software update can enable the vehicle to support new mobile phones or new external devices, for e ...

Mobile communication devices in the vehicle
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 comp ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...