What is the purpose of the small black stick on the car dashboard?

[DiAaron]

The functions of the small black stick on the car dashboard are as follows: 1. Display average fuel consumption: If you want to know the average fuel consumption of your car, you can press the small black stick on the dashboard. At this time, the dashboard will display the average fuel consumption of the car, with the unit being L/100km. However, this data may not always be accurate. 2. Display average speed: If you press the small black stick again, the dashboard will display the average speed of the car over time, which is the average speed maintained during normal driving. 3. Display trip mileage and reset data: If you press the small black stick once more, it will show the total distance traveled during the current trip. If you hold it down, the previous data will be reset. 4. Display remaining driving range: This small black stick can indicate how many more kilometers the car can travel. This feature is particularly useful for those who frequently travel long distances.