I have profile 1 for UK use, i.e mph, mpg and profile 2 for use abroad so kmph. After setting up just press the profile you want and the correct info is displayed in the cook.
For cook read display above the steering wheel. For some reason we aren't allowed to use the Peugeot word which is '' i followed by a 'male bird' followed by a synonym for 'mine' as in coalmine.