As others have said check with your insurance company - you might be surprised.
Mine was fine with me driving as soon as my OB said it was ok. He gave me the ok when I felt ready. So I was driving short distances 6 days after my caesar and it was fine. I would never have got behind the wheel if I didn't feel confident braking in a hurry, I honestly wasn't in pain to lift my legs at that point. If you have an automatic car so you don't have to push the clutch in all the time - even better