Region code. Hi i have an in dash MTV-5949 DVD cd player , it is NTSC and PAL and i inported it

Question

Hi i have an in dash MTV-5949 DVD cd player , it is NTSC and PAL and i inported it into New zealand but it will only play region 1 DVDs and we are region 4 , do you people no how to crack the code ? it has a remote so it will be possible , it just needs somebody to be able to get it