What did Chuanqi gs4 do for secondary maintenance?

Oil change, oil filter and brake pad maintenance, man-hour 150.

Automobile maintenance is a preventive work to inspect, clean, supplement, lubricate, adjust or replace some parts of the automobile within a specified period, which is also called automobile maintenance.

Modern automobile maintenance mainly includes the maintenance scope of engine system (engine), gearbox system, air conditioning system, cooling system, fuel system and power steering system.

The purpose of automobile maintenance is to keep the automobile clean and in normal technical condition, eliminate hidden dangers, prevent faults, slow down the deterioration process and prolong its service life.