1. Maintenance is not performed according to the recommended or specified time.
2. Ignore the "Check engine" indicator.
Three, do not change the oil of the vehicle, or do not change the oil in time.
Four, do not check the tire pressure.
5. Neglect coolant, braking, transmission and other fluid services.
6. Keep driving when the car overheats.
Seven, do not replace the fuel and air filter.
Eight, in the irregular service shop for car maintenance services.
9. Use general after-sale parts instead of original parts.
10. Don't try to repair high-end cars yourself, but send them to a professional repair station for repair.