tomtom one 3rd edit map key

[tailsnz]

hi i was sent a tomtom one 3rd edition as a gift from the states... i live in nz and have managed to get hold of the nz map but obviously it needs activation. can anyone please give me the steps to do this?????

the device code is AKWSJ CSHSE

version 7.162

os:2327

i will really appreciate your help.

thanks

tayler