What are the lines on the rear windshield?

1 Answers
DelMalia
07/29/25 7:01pm
The line on the rear windshield of a car is the rear window heater, also known as the rear defroster resistor wire. Its function is to remove water, fog, and frost from the rear window. How to activate the rear window heater: The button to activate the heating element is located next to the air conditioning and recirculation buttons. The heating element button should be used in conjunction with the defrost button—simply press it directly. It is recommended not to use it for more than 5 minutes at a time, as prolonged heating can overload the glass and cause it to crack. Methods for defrosting the rear window: Frost on the windshield in winter can cause significant inconvenience and trouble for drivers. Currently, there are three main methods of defrosting: the vehicle's warm air defrosting system, electric heating glass with resistor wires, and the use of automotive anti-fog sprays or anti-fog films for defrosting.
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