1. professional maintenance service can be sought for the broken roof grille in three carriages. Contact a professional auto repair shop, and experienced technicians will check the maintenance. The existing top grille will be repaired or replaced with a new one. The specific repair method depends on the damage degree and feasibility of the top grille.
2. If the roof grille in three cars is broken, you can contact the manufacturer or dealer. If the car is still under warranty, you can contact the manufacturer or the dealer who bought the car to consult whether you can enjoy the warranty service. The damage of the roof grille in the car is a problem under normal use, and the manufacturer will provide the service of repairing or replacing the roof grille.