How to remove the rear windscreen wiper.

This is the rear windscreen wiper as it appears.

Pop the cap on the base of the wiper arm with a small screwdriver. Underneath, there is a nut which be removed with a 10mm ring spanner.

Remove the housing that recesses into the window with a pair of long nose pliers. The arm will pop off when this housing has been raised high enough.

The end result.