See also:

Units of measure
You can change the units for fuel consumption, route/distance, temperature and pressure. 1.  "Settings" 2.  "Language/Units" 3.  Select the desired menu item. ...

Navigation data
Information on the navigation data 1. "Navigation" 2. "Options" Open. 3. "Navigation system version": information on the data version is displayed. Updating the nav ...

External devices
At a glance ...