hi there can anyone advice ( 1997 r reg golf gti, 8v, 2.0) about why stereo can be cutting out all the time (which is very annoying) tryed different stereos, it will play normaly but after 5 10 min it will cut out, power still staying on, but radio or tape will be cut out (not playing ) and can anyone advice cental locking making hising long sound ( think there is leak from lock and not locking rear passengers side door ,

thanx