GTA 5 – Secret Map Posted on October 8, 2013 by GTA 5 Cheats in GTA 5 Cheat Codes, GTA 5 Cheats, GTA 5 Guides On the back of the Special Edition map, there is a secret message that will appear if you put it under a UV light! This is what the message reads: Great Ocean Highway Through North Chumask 0.5 Miles past Raton Canyon 1234