1997 vw passat 1.8 20v - All four indicators flash when turning left /right - burty74
Hi all advice helpful the fault is everytime you indicate left or right all four indicators come on I know the flasher unit located with in the hazard light switch is ok as this has be replaced
1997 vw passat 1.8 20v - All four indicators flash when turning left /right - Crasher

It is likely you have water ingress into the central convenience system under the passengers floor sound deadening due to blocked plenum chamber drains.