According to the news learned from the reporter from various bus companies in Changchun City, at present, most of the bus lines have been overhauled, and the temperature in the car will be adjusted at any time according to the changes in weather conditions, and once the temperature drops to zero, the warm air will be turned on immediately.
Reporter Ying Jie:
Now we come to the railway station, for the operation of winter buses, a number of bus groups in Changchun have issued a notice, organized special personnel to conduct a comprehensive inspection of the safety technology status of all operating vehicles, and registered and repaired faulty vehicles.

Zeng Rui, captain of the fifth team of Changchun Bus Group Beida Automobile Company:
Around mid-October, our group asked the teams to prepare for the winter. After receiving the notice, we carried out comprehensive maintenance of the vehicle, including lighting, and conducted a comprehensive inspection and repair of the vehicle's heating system to ensure that the vehicle's technical performance was good and to eliminate the "sick" vehicle from going online.
There are also a lot of small changes in the carriage, for example, now we can put the position of the hand support, it is not so ice hand, and at the same time, on our seat, cushion such a small piece of foam board, sitting on the seat will not feel so cold.
Changchun Bus Group Nantong Automobile Company Three Team Captain Meng Qingben:
According to the company's requirements, we have completed the maintenance of all vehicles' heating equipment and facilities before October 1. First, debugging, look at the warm air heat is not hot, if it is not hot, first check the line circuit, then check the pipeline, then check the antifreeze, see if the fan does not turn, these items must be checked, have all been ready in place, you can open the warm air at any time.