Pretty simple tbh:
He posted the change on the 8th day of the 9th month. 8-9. Who won the F1 championship in 89? McLaren Honda.
Add up 8 + 9 + 17, the entire dates, and you get 34. The Third letter of the alphabet is C, the 4th is D. So c-d, or car-driver. This confirms the sneaking suspicion that he is actually a race…