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You need to document everything - take photos of the damage, your car's location, and any visible cameras nearby. Call the police to file a hit-and-run report and get a case number, then contact your insurance company with all that info. If you have collision coverage, your insurance can cover the repairs even without the other driver's info, though you might face a deductible. Check if your area has any witness info or traffic camera footage that could help.
Start with the police report and your insurance claim - those are non-negotiable - but don't skip checking with nearby businesses for security footage, since a lot of people forget that the corner store or bank across the street might've caught the other car on camera, and that footage can make or break a hit-and-run case if the driver's still out there.
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