Toyota Avensis ZZT251 2003 Service And Repair Manual page 1518

NOTICE:
Y
Check if there is any SilGel, which of the rain sensor that has been removed, left on the wind-
shield glass and remove it if there is any.
Y
Clean the dirt on the glass with a cloth etc.
Y
When installing a new rain sensor, peel the transparent protective cap off the SilGel first.
Y
Be careful not to let any air bubble in the rain sensor when installing it.
AVENSIS REPAIR MANUAL (RM1018E)
WIPER & WASHER – RAIN SENSOR
http://vnx.su
66–27