Give him another chance ....
Say to him "Here's the score fella. No hard feelings, but you hit my car and it's on CCTV. End of. You either pay up, or I report you to the police for failing to stop and give details and I'll provide them with the CCTV evidence."
Only issue you might have is that if it's a work car park, it might not fall under the definition of "a public road".
Go with the threat and the second chance, and take it from there.
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