IIRC, there were ambulance-shaped advertising gimmicks given away that looked like functional GPS receivers, but did not function for some reason. I never figur

IIRC, there were ambulance-shaped advertising gimmicks given away that looked like functional GPS receivers, but did not function for some reason. I never figured out if all the chips on them were bad or if just some of the chips were bad. I would not assume that GPS receiver was ever designed to work. It may have been just for looks despite having a lot of expensive parts on it.