audio recording

So I take a lot of road trips and got the idea for filming a podcast with my dashcam. I figure I can show off some cool scenery, and having something to talk to might help me keep awake at the wheel, lol I'm mainly wondering how I should go about recording the audio. My car has a lot of road...

I am curious as to how others use the record audio feature. Perhaps.. this poll will clarify to me and possibly others the wisdom of Pittasoft to change the use of the audio button with the latest firmware upgrades. Personally I like the option to quickly and discreetly turn record off or on...