Found the car: I'm planning on leaving this on the owner's windshield.
"Hello Owner of damaged Subaru,
We wondered why you simply didn’t stop after side-swiping my car while was parked in the street in-front of my son and daughter-in-law’s residence. Anyway, we finally found your car yesterday, and indeed the license plate number, the paint color, and the Subaru-logo-marked RH mirror parts we’ve retained, are an exact match for your car. We’d even physically matched those mirror-parts to the broken mirror stub that is still on your car. It all matches perfectly. The red paint left on what’s left of your mirror housing shows that the car you hit was in-deed my red Firebird.
The car you hit is very valuable to our family. While the car’s red paint is admittedly no-longer fresh, the car previously had no rust, no body damage, or any accidents in its 31 yr. long life-span. It passes smog, and runs/drives (drove) perfectly. Since you hit it, it no longer drives correctly, it will require mechanical repairs, and body work that I should not have to be responsible for.
The reason for this letter, is to give you a chance to make it right. I’m sure it will be easier on you in the long run, as leaving the scene of an accident (hit-and-run) is not taken very kindly by SJPD and/or your insurance company. This letter is your final chance to do the right thing, and instead of getting local law-enforcement involved, I’m sure you’d like to avoid a criminal record.
Please send your insurance co + policy number, as well as your CDL# to
rayvan1@comcast.net by Aug. 19, 2019, and my phone-call to local law enforcement will not only not occur, I’ll never mention that you’d left the scene of an accident, and I’ll leave you alone forever.
Thank you, and have a nice day,
--Owner of Damaged Firebird."