In case of the windshield with reflection layer which reflects the infrared rays in sensing field, should install the rain sensor into the field removed the reflection layer.
Install the rain sensor after some time and be care not to be settled the dust after installation.
Install the rainsensor bracket to the windshield glass using the tape.
It is very important that the coupling pad pushes the windshield completely to stick to each other without bubbles.
Connect the rainsensor connector, and then install the sensor cover.