Why do some cars have the letter R in the fuel gauge? - Quora
Answer (1 of 4): many older cars ere designed with a small reserve of fuel - as are many older motorcycles. in the erly years it was easier to provide a reserve to prevent being completely stranded when gas gauges weren’t as reliable as they are now. Many early volkswagons had a valve you opened
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What are the lines for on my cars gas meter gauge that the arrow follows down from full to empty? - Quora
What are some tips on car maintenance that should be taught to young, new drivers? - Quora
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Why do some cars have the letter R in the fuel gauge? - Quora
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Cars display the range in miles based on the gas available in the tank. Why do car companies not display the amount of gas available in the tank? - Quora
Is it bad for your car to run out of gas? - Quora