How does Hefei complain about BYD's unpopular employees?

Call BYD's official customer service number or complain to the store. According to the survey, complaints about BYD's sales staff can be made by calling BYD's official customer service number or complaining to the store leaders. Since most after-sales consultants in 4S stores have to consider this month's performance and commission, they can try to complain to the after-sales manager or higher management.