how to switch the heater display?

[seth0941]

does anyone know how to do this?
I have a 95 c220 and the other day I started the car and turned on the heater. a few seconds later my heater switched its self from F* to C*

now i cant get it back!... help.

[seth0941]

no one knows how to do this?:bored:

[c280nz]

im sure u posted up a similar answer to something like this a while ago,
use the search and have a look around im sure its been covered