* This is a "user manual" that did not come with one of the 30 million GPS receivers currently in use, showing readers how to modify, tweak, and hack their GPS to take it to a new level! * Crazy-cool modifications include the use of secret key code, revealing hidden features, building electrical wires and cables, hacking the battery and antenna, protecting a GPS from impact and falls, making the screen protector, and solar-powering a GPS * Potential Power users will take the function and performance of their GPS to a new level by hacking into the firmware and hacking into a PC with GPS connection * Do not be afraid!