Parking Sensors

[Guest mkemp]

parking sensors

i've got no tow bar

i've got no water under the front seats

i've cleaned all the sensors

but still they don't work

please has anyone got any idea's

its a mk2

i get a beep then the switch flashes

[Ivor_E_Tower]

Mark 1 or 2 ? Have you checked the relevant fuse and reverse light switch/connection? Have you looked under the rear bumper to check for loose wires etc?