Probably because they never replace the rain sensor sticker. Also, the removal process of the previous windshield could have accidentally damaged either the sensor or sensor wiring. So you need to take it to the dealer to rectify the problem.
Guys, i'm not really understand about this 2 thing, wats different? can make engine more power & save petrol? easy make a engine down?:hmmmm::hmmmm::hmmmm:
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