Enhancing the AVIC-5000NEX - part 2

img { max-width: 100%; height: auto; } Introduction This is the second part of a series of articles on reverse-engineering the Pioneer AVIC-5000NEX. to disable a nag screen; reading the previous post will give some helpful context. This post will focus on understanding the software and actually modifying it to change its behavior; a future post will cover the crafting of an update for other people to use.

Enhancing the AVIC-5000NEX

Introduction This is the first of a several? part article on my adventures with my aftermarket in-dash navigation unit for my car, a Pioneer AVIC-5000NEX. I want to modify it to remove a nag screen. I will present five different ways of hacking it, explain how to analyze the system to modify its functionality, and hopefully end up constructing an update that other users can use to disable it on their cars.