What’s the matter with the two brake lights off and the high position on?

If the brake light is not on, it may be because the bulb has reached its service life and the wick is blown, so the brake light is not on. You can try to replace the bulb. If the brake light is still not on after replacing the bulb, it may be that the brake light circuit is faulty and needs to be repaired. .

　　

The lights at the rear of the car are mainly used to remind the cars behind and convey their intentions to the cars behind. For example, when we step on the brake pedal, the brake lights will light up or become brighter to remind the cars behind that they are slowing down. Notice what it means to slow down. Or when encountering an emergency, step on the brake pedal deeply, and the brake light will be bright and flashing to remind the car behind that there is an emergency ahead and you need to slow down immediately to ensure your own safety. At the same time, in an emergency, the hazard warning lights can also be turned on at the same time, which will make it easier for cars behind to notice themselves. Therefore, the lamps and lanterns of the vehicle play a very important role in our driving safety and require frequent maintenance.