Add the flake steak into the insert. Pour the orange juice, lime juice, olive oil, vinegar, minced garlic, cilantro over the steak. Gently stir to combine. Close the lid and set to Sealing. Cook on High, Manual for 20 minutes, or until cooked through. Let pressure release naturally. Keep on warm mode until ready to serve - shred or slice the beef into the sauce, then strain and serve into tacos with favorite toppings and sides.