See also:

Dimensions–S60
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Current speed in mph (Canadian models only)
This function provides the driver with an instantaneous conversion of the car's current speed from km/h to mph. ...

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 discove ...