Answer:
You turn me over after you have travelled far.
you can throw me away but I will always be coming back
I cause involuntary movements in your vehicle
I am a word with 5 letters. Bold are the first; true are the second; playful are the third; clever are the fourth; forceful are the fifth.
What is that you will break even when you name it?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.