Vauxhall Astra Owner's Manual page 243

In order to ensure prob lem-free wind screen
wiper operation, the windscreen wa sh
system m ust be opera ted a t regular
intervals in vehicles with rain sensor 3.
Vehicles with rain sensor 3 can b e
recognised by the sensor area at the top of
the w indscreen.
Wi per blad es on the wind sc reen
Lift wiper arm. Move relea se lev er and
detach w ip er blad e.
Wiper bl ade on the rear wind ow 3
Lift wiper arm. Disengage wiper blade as
show n in the illustration, and remove.
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