The instantaneous fuel consumption display has disappeared. How can I get it to show up again?

My 2.8t diesel has been driven for three years and 94,000 kilometers. The fuel consumption is still high. Does anyone have a good solution? The current display shows 10.4. With 500 RMB worth of fuel, the range display shows 550 kilometers. The fuel price here is 6.83 RMB.

How do I display the fuel consumption on the dashboard of a Volvo C30?

What does your urban fuel consumption display show?

How do you adjust the fuel consumption display on a Mazda 5?

The instantaneous fuel consumption display has disappeared. How can I get it to show up again?

Why doesn't my fuel consumption display anymore? It's always showing "——————".

I just got an '11 model. I'm in the process of getting everything in order. The car runs fine, but the fuel consumption is shocking at low speeds or when starting. Even when I barely touch the pedal, the instant fuel consumption shows 50-99. When I'm at a stop on a downhill and put it in neutral to let it roll naturally, it still shows 30 instant fuel consumption. I don't get it.

How to adjust the fuel consumption display on the dashboard? It recently changed to something else, showing 33km like that. How can I change it back?

My Outlander's head-up display suddenly stopped showing. What could be the issue? Has anyone experienced this? How should I fix it? Any advice would be appreciated.

How is the average fuel consumption displayed on the Hongqi H7?