Why can't I see the gear in the Fox automatic gear?

When Fox is in D gear, it only shows that a D is normal regardless of the speed. On the issue of fuel economy, I would like to express my views here: 1, don't accelerate and don't stop! 2. Try to see the number of seconds at the traffic lights ahead, and don't stop without stopping, because parking is expensive! 3. If you really can't get through, just push the car into neutral and let it slide past. Don't listen to the seller's saying that frequent gear shifting hurts the clutch. If you try to wait for the traffic lights, it is actually very expensive to wait for the traffic lights. 4. Clean the throttle, EFI and idle valve once every 20,000 kilometers, and clean the 1-2 three-way catalyst once a year to keep the car in good condition. If the three-way catalyst breaks down every 100 kilometers, the fuel consumption will increase by 20-30%! That's basically all, I hope I can help you!