What does the rear button in the car mean?

[LaDallas]

rear literally means the rear or back. The Rear button in the car is the rear windshield defogger switch. Pressing it can remove the fog on the rear windshield. The rear button in the car is generally located in the air conditioning control panel. Here are some methods for defogging the rear windshield: 1. Open the windows for convection: You can open a gap in the windows on both sides, allowing the air inside and outside the car to form convection, reducing the temperature difference, and the fog will gradually disappear. 2. Use the air conditioning system: Simply select the appropriate gear of the air conditioning to use the wind blown by the air conditioning to defog. 3. Use professional defogging agents: Spray the defogging agent on the inner surface of the car glass, then wipe it clean. While removing dirt from the glass, it also forms a protective film to prevent water vapor from condensing into a fog layer on the glass.