my uncle has a 98 mazda mpv all sport the transmision shifts perfect in all forward gears but has no reverse at all when in park you can't move the vihicle in reverse the reverse lights come on but no movement in neutral the vihicle goes forward but won't **** out like it's in drive 1 in drive it shifs out all forward gears 1 2 3 o\d drive2 is there as well as drive1can someone tell me what to do or or how to fix it?

 

What?