I personally ignored it anyway. The abnormal noise of the cold car is nothing more than: squeaking when starting at 1 and turning (exhaust pipe ball head). You have to go to 4S to claim for this, and then it may ring again soon, so you are too lazy to pay attention to it. The brake is abnormal, unless you change the ceramic brake disc, as long as it is iron, it will squeak. 3 The interior creaks, unless the whole car is soundproofed and insulated, or