What does Volkswagen DUAL mean?

[DiDaniela]

In Volkswagen vehicles, the DUAL button refers to the air conditioning zone control button, which allows for temperature control in different zones. Related information is as follows: 1. Definition of air conditioning zoning: Based on load analysis, the entire air conditioning area is reasonably divided into several temperature control zones according to the differences in air conditioning loads. The purpose of zoning is to enable the air conditioning system to effectively track load changes, thereby improving indoor thermal environments and reducing air conditioning energy consumption. 2. Function of car air conditioning: It can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable environment for passengers and reducing driver fatigue, thereby improving driving safety. It generally includes cooling devices, heating devices, and ventilation devices.