i recently bought a 2002 X5 4.4i it has these screens in the headrests there is a built in playstation2 in the back and it seems to be connected up to these screens only trouble i have is that there is only one button on each screen and when i press this the little red light comes on on the screen like its in standby does anybody know if a remote can be got for thes or are they a bin job they all connect through a diversity tv unit e.g playstation into AV 1 and leads from AV outthere is a remote ir lead into the unit also

all help appreciated

regards