You can use 10-30 engine oil in the manual gearbox, however Honda did later release a better gearbox oil with friction modifiers - Honda MTF - recommended!
I'm unsure for automatics, Honda ATF is the obvious choice but the type (dexron II / dexron III etc) I'm unsure about.
wat trannsmission is it?
Auto
The 2001 Honda Accord has single overhead cam (SOHC).
The 2014 Honda Accord has double overhead cam (DOHC).
The 2006 Honda Accord has double overhead cam (DOHC).
The 2005 Honda Accord has double overhead cam (DOHC).
The 2009 Honda Accord has double overhead cam (DOHC).
The 2003 Honda Accord has double overhead cam (DOHC).
The 2002 Honda Accord has single overhead cam (SOHC).
The 2011 Honda Accord has double overhead cam (DOHC).
The 2010 Honda Accord has double overhead cam (DOHC).
The 2004 Honda Accord has double overhead cam (DOHC).