It’s absolutely a personal choice, you can send it back on fumes as long as it gets there.
Personally I won’t return a car with the fuel light on, but that’s about my limit. Think the Tiguan I just returned had about 80 miles on the range, light comes on between 50 and 60 on that car.
"Man is born in freedom, but he soon becomes a slave, in cages of convention, from the cradle, to the grave."