1. Hold R2 to pull up your item list
2. Use left or right D-pad to go to the section of inventory that lists chocobo items.
3. Press X to use the chocobo whistle like you would a potion.
2. Use left or right D-pad to go to the section of inventory that lists chocobo items.
3. Press X to use the chocobo whistle like you would a potion.