Thanks mate , it was pretty easy actually , the surround has two little slots near the bottom corners that you put a small flat blade screwdriver in and lever out then its a matter of carefully pulling the surround off , then undo the 4 screws that hold the old radio in ,unplug the harness', unscrew the brackets from the old one & attach to the new one , plug in the nissan harness to the new harness supplied - I did have to buy a aerial adapter because the standard nissan aerial has a 2 small plug fitting and the new stereo is 1 large plug one ( $12 from Autobarn ) then put the screw new stereo in , pop surround back on - all done