Volkswagen Golf GTI 2016, Руководство пользователя

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(lotus effect), or car-wash detergent residue can lower the rain
sensor's sensitivity and cause it to react too slowly or not at all.
Crack or chip in the windshield: If a stone hits and chips the
windshield while the rain sensor is on, this will trigger a wiper
cycle. After that, the rain sensor will recognize the change and
recalibrate itself to respond to the sensitive surface's reduced
detection zone. Depending on the size of the chip, the sensor's
reaction pattern may or may not change.
Clean the rain sensor's sensitive surface → Fig. 92 (arrows) regularly and check the
wiper blades for wear or damage.
To remove wax and coats of polish safely, we recommend using an alcohol-based
windshield cleaner.
Checking and refilling windshield washer fluid
The rain sensor cannot always recognize rain and activate the
wipers.
Switch the wipers on manually when water on the windshield
reduces visibility.
WARNING