Good day people. I need some opinions and/or advice please. I'm considering getting a 2-din ICE that includes navigation. Some of the Japanese spec cars came optioned with a 2-din unit and I've seen some UK cars with them installed too. I also want to install a permanent dash cam. My...

#1> First I will give a basic overview... This post #2> I will post more details about the specific elements of that basic overview... following future posts. #3> Than I will walk through a method to analyze and quantify the specifics of when it is a benefit (and when it is not) to energy...