2011 Kia Optima caught on fire while driving. Car started smoking which was the only indication something was wrong then all the dashboard lights came on and brakes no longer worked. About half a block later I put the car in park and it slowed down enough for my 3 kids to jump out although the car was still moving. I was able to exit a few seconds later when it came to a full stop. Within minutes it had flames coming from under the hood that continued until the fire department was able to put it out. They said something electrical had caused the fire.