Environmental conditions

▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
▷ Always say commands in the language of the voice activation system.
▷ When selecting a radio station, use the common pronunciation of the station name.
▷ Keep doors, windows and /panoramic glass sunroof closed to prevent noise interference.

▷ Avoid making other noise in the vehicle
while speaking.

    See also:

    Supplementary text messages
    You can call up more information, e.g., on the cause of a malfunction and on how to respond, via Check Control. In urgent cases, this information will be shown as soon as the corresponding lamp ...

    What to do if...
    The current transmission position cannot be displayed? The vehicle is located in an unrecognized region, is in a poor reception area, or the system is currently determining the position. ...

    Declaration according to NHTSA/FMVSS 138 Tire Pressure Monitoring Systems
    Each tire, including the spare (if provided) should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire i ...