Driving down the road he other day, my car cut off. Now, it won't start.
Everything seems to be OK, what is wrong?

Read sections A and B in the link below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-honda-civics-46563.html

Tests are applicable to Accords, as well as Civics.