My brother in law has a 2010 SE coupe with the V-6 motor.
I think I may know what is happening but let me run this by you.
In the mornings, the car will start right up, but as the day goes on, the car will turnover, but does not start right away.
I had this issue on the truck and it was the fuel pressure regulator going bad but that was on a GMC.
Does this sound like it could be the same issue?
If so, how hard is it to replace one?