Character weight reaction to force when sitting in VehicleSeat?

When a character is sitting in a VehicleSeat, is the weight of the character included in forces from body movers? How can I eliminate character mass for a vehicle script?

#paste this script in a server script, parent the script to serverscriptservice

game.Players.PlayerAdded:Connect(function(plr)
	plr.CharacterAdded:Connect(function(chr)
		for i,v in pairs(chr:GetChildren()) do
			if v:IsA("Part") then
				v.Massless = true
			end
		end
	end)
end)

if it doesn't work dm me on discord #Blue Duck#8344