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:

    General information
    Overloading the vehicle To avoid exceeding the approved carrying capacity of the tires, never overload the vehicle. Overloading can lead to overheating and increases the rate at which damage deve ...

    Check the tire inflation pressure regularly
    Check and, if necessary, correct the tire inflation pressure, at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...

    Suitable media
    Use of CDs/DVDs ▷ Do not use self-recorded CDs/DVDs with labels applied, as these can become detached during playback due to heat buildup and can cause irreparable damage to the devic ...