1. The electronic parking control unit software version is too low, this situation can be improved by using computer upgrade software or initialize the control unit;
2, the electronic parking motor is faulty, requiring measurement Motor-related lines, routes are normal, check fuses and relays;
3, some vehicle brake oil has no replacement, and the phenomenon of the instrument alarm will occur, the brake pedal position sensor has a fault meter may also appear. The alarm requires the need to determine the determination.