Opel INSIGNIA 2017 Owner's Manual page 17

Windscreen washer
Pull lever.
Windscreen and headlight washer
system 3 89, Washer fluid 3 244.
Rear window wiper
Turn outer cap to activate the rear
window wiper:
OFF : off
INT : intermittent operation
ON : continuous operation
In brief
Rear window washer
Push lever.
Washer fluid is sprayed on the rear
window and the wiper wipes a few
times.
Rear window wiper/washer 3 91.
15