"The highest building in Arkham ... green symbol, and use the Batmobile's Forensic Scanner near it to trigger Riddler marks on the ground. Follow these to find a weak spot under an overpass, then ...

Having a Batman: Arkham Knight Riddler guide to refer ... Drive the Batmobile onto this to activate some Riddler switches on the wall nearby. Shoot each one as it appears to open the lock in ...