Yes, but your speedo will read out in km/h instead of mph. It's the button to the left of the radio volume knob. Above the clock adjust.
No , you can't . But you can write a table of C and equivalent F degrees on a peice of card and hang it some where . Posted via the PriusChat mobile app.
Ah, you are so right. I should have tested my theory. If I remember correctly the Gen II temperature readout will change to C when the units display is toggled from imperial to metric. Maybe a Techstream variable? Either mini-VCI or dealer then.