Watch this video. All the way through. Even if you're on dialup - wait for it to load.
LISTEN to the audio.

http://www.cnn.com/video/#/video/us/2009/07/21/wi.car.fire.rescue.amateur

Listen to them scream...

"I need a knife, somebody give me a knife!"

.... as a 4 year old child is BURNING in the car. They did get him out after someone produced a knife. 30% burns on his body.