Legendary Car-Hailing System is a Manga/Manhwa/Manhua in (English/Raw) language, THRILLER series, english chapters have been translated and you can read them here. You are reading chapters on www.mangageko.com fastest updating comic site. The Summary is

On the day Yang Chen resigned after having a big fight with the leader, he also got a breakup notice from his girlfriend of six years, Zhao Feifei. Because he was unwilling to accommodate unreasonable passengers, Yang Chen bound the system, relying on the bad reviews he got to get the system to give various rich rewards, and finally changed his life.