Chevy and GMC Duramax Diesel Forum - View Single Post

jcline · 08-26-2008, 04:15 PM

If its an 05 you do hit lower left button you will get avg mpg, range, oil life and fuel filter life . Make sure FF is up and press and hold lower right button until it goes to 100%.

08-26-2008, 04:15 PM	eBay Motors #9 (permalink)
jcline Senior Member Join Date: Aug 2008 Location: Tenino, Wa Posts: 137	If its an 05 you do hit lower left button you will get avg mpg, range, oil life and fuel filter life . Make sure FF is up and press and hold lower right button until it goes to 100%.