Having in mind how many kilometers you can drive a car with an empty tank prevents you from getting shipwrecked. Nissan Altima travels the longest when the low fuel light indication comes on.

From time to time most drivers let their fuel tank get low enough to indicate the low fuel warning light. We all know that it is good practice to always keep your fuel tank ¼ full, yet let go low. Being aware on how far you can drive on an empty tank will stop you from getting stranded. You have to know how many kilometers your car can cover after the low fuel indication light comes on and knowing the pros and cons when you allow your gas tank

one major concern when driving on an empty fuel tank is running out of fuel on a major road and getting stranded which is very dangerous, you may get stuck at a place where various vehicles move at a speed of 100 km/h. You could also get stuck in middle of farm. Driving empty can also cause damage to your vehicle. Running out of gas can damage your catalytic converter which may lead to repair or replacement. It can also cause havock to your fuel pump, which is caused by debris
Modern cars have an approximation of how many kilometers can be driven on an empty tank before the car runs out of fuel which shows on the instrument cluster of the vehicle.
Furthermore how long you can drive on an empty tank depends on the car, road condition and the driver.
http://afrikautos.com/2017/09/30/far-can-i-drive-car-empty-petrol-tank/

Credits: www.afrikautos.com