Originally Posted by semtex

I disconnected my battery after the exhaust install, and did the same thing after the intake install. I just jot down all my settings on a sheet of paper so that I can easily program everything back to the way I want it. Interestingly enough, you lose all your radio presets, but not any of the XM presets. Other stuff that has to be set back includes audio settings, shift light rpm, oh and this is an important one -- when you hook the battery back up, SRM is off.