Setting the map scale
Multimedia system:
Zooming in
Zooming in or out from the map
When the map is shown, tap twice quickly with one finger on the media display or the touchpad.
or
Move two fingers apart on the media display or on the touchpad.
Zooming out
Tap with two fingers on the media display or the touchpad.
or
Move two fingers together on the media display or on the touchpad.
You can set the unit of measurement of the map scale More.