Hello I bought a civic si 2012! The Manuel wants 0w-20 synthetic! I have never used synthetic alway 5w-30! My question is does honda put synthetic from factory? And will the motor break in with synthetic? I'm ready to change oil for first time and unsure what to use! Please give me your feedback!

 

if honda says to use 0w20 synthetic then use 0w20 why would you second guess honda its there motor i would think they would know whats best. as for fluid use Mobile 1 or if you have the cash AMSOIL. mainly the only reason they say 0w20 is for better gas mileage.

 

welcome to the forum. bought my 02 civic, honda did all my oil changes to 100k used 05-20 mobil. my 07 fit first oil chg I went to syn 05-20. now at 1865k still using 05-20 performance for high milage vehicle. not a problem. Per lowlife9 use what Honda says to use.

 

Welcome in,yea I would use the reccomended oil at least while the warranty is still good then change to a synthetic maybe.

 

honda only uses strictly synthetic motor oil now same with the transmission fluid.