Repair Procedures: Installation

WARNING: This page is about a different car, the 2019 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Check the operation of the rain sensor and the light sensor before mounting.

Check the sensor for silicon damage.
Check whether the rain sensor connector is tightened.
Check whether the rain sensor and bracket are properly tightened.
Check whether the sensor mounted area is free from foreign matters.
Recalibrate sensitivity of the switch if the auto-wiping operation is insensitivity or too much sensitive.

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In case the silicone of the rain sensor is normal or slightly damaged as shown in the below images, it can be reused.

Normal	Damage within 1.5 mm of outer part
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In case the silicone of the rain sensor is damaged as shown in the below images, it should be replaced with a new silicone.

Foreign substances	Fingerprint	Damage
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Damage
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In case the silicone of the rain sensor is damaged it should be replaced it as shown below.

Remove the damaged silicone gel pad from the lens plate completely.

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NOTE:

Be careful not to damage or contaminate the surface of the lens plate during removal.

Attach the new silicone gel pad after removing the silicone paper (A) then remove the transparent film (B).

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NOTE:

When attaching the silicone gel pad to the sensor, be careful not to contaminate

It is very important that the silicon (coupling pad) is completely pushed against the windshield and stuck without any air bubble.

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In case of replacing the damaged windshield, you may reuse the undamaged existing rain sensor.
The windshield glass has to be clean and free of contamination or foreign substances.

Connect the rain sensor connector.
Push one of the latch of spring arm (A) down until it snaps and you hear a click sound.
And then push the latch of second spring arm (B) for keeping the sensor in right position.

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CAUTION:

Do not snap both spring arms at the same time.
An incorrectly mounted snap connection may cause malfunctions of the rain/light sensor.