Ridler Sonar, Leads to Grand Ave Station but entrance where the question marks show is closed.. how do i get in or is there a switch for that gate

[acecrisp]

Cant figure this one out

[CursedPanther]

Which one is this? Screenshot?

[Turner D Century]

You have to get out of the batmobile and grapple up on the side of the building to the right of where you're blocked off. There's a hack panel in there to unlock the gate

[Riddler]

Ha