"And then, if you please, she went and got herself blown up and we got landed with you!"
Harry had gone very white. As soon as he found his voice he said, "Blown up? You told me they died in a car crash!"
"CAR CRASH!" roared Hagrid, jumping up so angrily that the Dursleys scuttled back to their corner. "How could a car crash kill Lily an' James Potter? It's an outrage! A scandal! Harry Potter not knowin' his own story when every kid in our world knows his name!"

Harry Potter and the Philosopher's Stone - Chapter 4 : The Keeper of the Keys
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