When is the best time to refuel the car?

[Reid]

It is appropriate to refuel when the car has a quarter tank of gas left. The steps for refueling are: 1. Slow down and drive into the gas station slowly, then drive out at low speed after refueling; 2. Turn off the engine before refueling; 3. After filling up, close the fuel nozzle before starting the car. Precautions for refueling include: 1. No mobile phone use; 2. No smoking; 3. Park, turn off the engine, and shut off the power. The reasons for turning off the engine before refueling are: 1. When the engine is running, gasoline, being an electrolyte, can cause electrical leakage in the instruments, leading to short circuits or open circuits; 2. The exhaust pipe continuously emits exhaust gases, which may carry sparks, posing a safety hazard; 3. Running instruments generate a lot of heat, accelerating gasoline evaporation and increasing the concentration of gasoline vapor, which is difficult to disperse and can easily ignite or explode.