milleage correction problem - south america

[gonzagnr]

Dear friends,
I have an opcom interface v1.39, and i need to adjust the mileage in a chevrolet corsa (south american version of corsa b with new dashboard, similar to the one in corsa c europe).
Does any collegue from south america found the way to do this??
heres is a pic of the dashboard
Thank you in advance.
272315
Now in spanish:
Amigos, necesito ajustarle los km a un corsa classic, tengo el opcom 1.39, he podido con los astra, meriva, zafira, pero no con el classic, alguno me puede decir si funciona?
Gracias.

[fuktak]

When conected to instrument cluster with OpCom press read km then mileage is show in window.Then put new mileage in other window and press continuously reset buton and press write km.After that disconect battery for 1 minutes.BR

[gonzagnr]

the problem is that when i press read km the read value is not correct.
i will post a picture in a few minutes.
Thank you for your help.