How much oil is left in the car tank to refuel?

There is also a battery in the car tank to replenish fuel. Precautions for car refueling are as follows: Don't over-refuel: If you over-refuel, the gasoline will overflow from the exhaust hole, and it will spontaneously ignite when it meets an open flame, with disastrous consequences. Moreover, the gasoline spilled through the vent will drip on the car body, which will cause certain corrosion to the car body. Refueling in advance: When driving a vehicle, be sure to pay attention to the instructions of the dipstick. When the pointer shows that there is a quarter of oil left, it's time to refuel. It's better to wait until the fuel gauge lights up before refueling. Nowadays, cars use electronic oil pumps, which need gasoline lubrication and cooling. If you often wait for the oil lamp to turn on before refueling, the oil pump will not be well lubricated and cooled, which will eventually reduce the life of the oil pump.