if u noe that wen ur cars fuel gauge reaches the the redline it has 6-7 liters in it then wats the use of the fuel warning light? as it acts in the similar manner. it just helps acquracy and that also changes with the position of the car. You should be noeing how much your car travels in a full tank, and get it refilled before it actualy stops. The warning lamp is jst an additional feature with not much use actualy.
while comparing alto with others in the same category, no car has a digital trip/odo meter Alto has it 