When you do not use the vehicle's roof rack, is it advisable to remove it?
A)No, because the roof rack increases the vehicle's stability.
B)Yes, because without the roof rack I save fuel.Correct
C)It makes no difference, because the roof rack does not influence consumption.
It is advisable to remove the vehicle's roof rack when not in use, as this improves the vehicle's aerodynamics and therefore saves fuel.