This is a genuine VAG sun sensor, part number 3V0907451A. It plays a crucial role in your vehicle's automatic climate control system by detecting the intensity of sunlight. This information allows the system to adjust the cabin temperature more effectively, providing optimal comfort for all occupants. Beyond climate control, the sun sensor can also influence automatic headlight operation and other light-sensitive features. Ensuring this component is functioning correctly is vital for the overall performance and convenience of your VAG vehicle. Replace a faulty sensor to restore these essential functions.
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