About oil change, and the synthetic oil

[BigMeatballDave]

Originally Posted by MTG#10

I'm glad this was brought up.

I recently purchased a 2011 F150. I've always changed the oil in every vehicle I've ever owned every 3-4k miles but I'm at 3000 now and the truck's computer is telling me it's "oil life" is still at 75%. Should I listen to it or change the oil anyway? According to the manual I should base oil changes on the system info (computers) recommendation. I know for a fact it has regular oil in it, not synthetic.

You can do 5000 on conventional.