I have a honda fit aria, And in gearbox i can find (AFT DW-1) as the gear oil. but my gearbox is a CVT and the oil can says "DO NOT USE for CVT", I am very confused wheather to use this gear oil or not, please help.
Don't use DW-1!
ATF DW-1 did replace the old Z1 fluid - but only for conventional automatics.
For the CVT boxes Honda now produce their own CVT Fluid (Honda Part# 0826099905HE) which should be used instead - the first generation CVT boxes in particular are known to be a bit touchy about fluid and I've heard anecdotal reports of issues when using non-Honda fluids in them. As others have mentioned if you're having difficulty tracking it down a Honda dealer should be able to supply it.