How to Check if a Car Has Fuel Left?
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To check if a car has fuel left, simply look at the fuel gauge on the dashboard. 'F' indicates a full tank, while 'E' means the tank is empty. The fuel gauge is divided into four main sections, with the section near 'E' further divided into four smaller segments. When the needle points to the last small segment, most cars can still travel approximately 30 kilometers. Different car models have varying fuel tank capacities. Small sedans typically have tanks ranging from 50L to 55L, while SUVs and off-road vehicles have larger capacities. The fuel gauge displays the fuel level through a float in the fuel tank connected to a metal rod. This mechanism is similar to that of a toilet water tank. The end of the metal rod connected to the float is attached to a movable contact point on a variable resistor. As the float's position changes with the fuel level, the metal rod adjusts its position on the variable resistor. This variable resistor is connected to the car's fuel gauge, and the movement of the gauge's needle is controlled by the amount of current passing through the variable resistor.