“I think we’d better go and wait by the car,” said Harry. “We’re attracting too much atten —”
“Harry!” said Ron, his eyes gleaming. “The car!”
“What about it?”
“We can fly the car to Hogwarts!”
“But I thought —”
“We’re stuck, right? And we’ve got to get to school, haven’t we? And even underage wizards are allowed to use magic if it’s a real emergency, section nineteen or something of the Restriction of Thingy —” [...]
Harry’s feeling of panic turned suddenly to excitement.

Harry Potter and the Chamber of Secrets - Chapter 5 : The Whomping Willow
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