What is the method for using the internal and external circulation in a Civic car?

[ManuelRose]

In the early stages of using a Civic car, the external circulation should be employed to ensure air exchange between the interior and exterior of the vehicle. During daily driving, the car typically operates in internal circulation mode. Below is a detailed introduction about the Civic car: 1. Overview: The Honda Civic (CIVIC) offers multiple models to cater to the preferences of consumers in different countries, including three-door hatchbacks, hardtop coupes, hybrid versions, and five-door sedan versions. The Honda Civic launched domestically shares the same production platform with Dongfeng Honda's existing model, the Honda CR-V, and both vehicles utilize the same chassis. 2. Others: The standard seating capacity is five. The braking system features four-wheel disc brakes. The top speed reaches 208 km/h. The fastest acceleration time is 8.7 seconds. The trunk volume is 440 liters. The fuel consumption is 5.7 liters per 100 kilometers. It uses No. 92 or higher grade engine oil.