Okay, I think I'm cooked.

I was reversing the car (9PM+Raining). I couldn't see the stone slabs placed horizontally, and slightly hit them and went by. But when I accelerated forward, I hit the slabs again and f*cked my Kia Caren's rear quarter panels. What should I do now? Some guy told me to pour boiling water into the gap and push the panel hard into the car. Should I try it?