See also:

Keyless drive
Vehicles equipped with the optional Personal Car Communicator have the keyless drive function, see page 63 for detailed information. ...

More information about pairing and connecting cell phones
A maximum of 10 cell phones can be paired with the hands-free system. Pairing only needs to be done once for each phone. After pairing, the cell phone no longer needs to be in sight or discoverabl ...

Current speed in km/h (U.S. models only)
This function provides the driver with an instantaneous conversion of the car's current speed from mph to km/h. ...