1, the owner accidentally touched the switch of the dashboard, and the dashboard of many vehicles can adjust the brightness. Generally, the adjustment button of dashboard brightness can be seen near the air outlet of air conditioner; Solution: Just increase the brightness of the dashboard.
2. The car battery is insufficient, and the power supply of the dashboard is not good, which will darken; Solution: the owner needs to replenish the power in time and the dashboard will return to normal.