Important safety notes

Have the batteries changed at a qualified specialist workshop.

WARNING
Batteries contain toxic substances.
Swallowing batteries can lead to serious health issues or death.
Keep batteries out of the reach of children.
Seek medical attention immediately if a battery is swallowed.

WARNING
The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see www.dtsc.ca.gov/HazardousWaste/Perchlorate/index.cfm.

    See also:

    Automatic headlamp mode
    ► To switch on automatic headlamp mode: turn the light switch to . SmartKey in position 1 in the ignition lock: the parking lamps are switched on or off automatically depending on the br ...

    BAS PLUS (Brake Assist System Plus)
    BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section At speeds above approximately 4 mph (7 km/h), BAS PLUS assists you w ...

    Switching the automatic locking feature on/off
    You can use this function to activate or deactivate the automatic central locking feature. If the automatic locking feature is activated, your vehicle will lock centrally from a speed of appro ...