See also:

Software Update
The vehicle supports various external devices depending on the current software version. With a software update, the vehicle can support new cell phones* or new external devices*. The updating ...

Additional functions
Activating/deactivating the additional functions Activate the functions before pairing to be able to use them in the vehicle. Information on suitable mobile phones, that support this function ...

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. ...