What is the yellow light of Hafei Ba Yi ss?

See which yellow light illuminates the engine warning light (yellow), indicating that the engine electronic control system, electronic throttle control system, or automatic transmission electronic control system is faulty. Sometimes the computer board is broken or the oxygen sensor is out of order, which will also lead to the light coming on. If this is the reason, it will not affect the normal running of the vehicle. What should you do: ...