There are two buttons on Rogue Transmission that needs to be pressed at the same time to activate the hidden extra on this map. One is near the A flag on top of the crane (near the winch) and the other is near the E flag and a little hard to find. This video shows where that second button is.
Dino button location on Rogue Transmission
There are two buttons on Rogue Transmission that needs to be pressed at the same time to activate the hidden extra on this map. One is near the A flag on top of the crane (near the winch) and the other is near the E flag and a little hard to find. This video shows where that second button is.