The L3 and R3 buttons on a PlayStation 4 (PS4) controller are the analog sticks that are built into the controller. They are used to provide additional control options in games, such as allowing the player to look around or aim a weapon. They are called "L3" and "R3" because they are the third analog stick on the controller, with the first two being the left and right analog sticks. The L3 button is located on the left side of the controller, and the R3 button is on the right side. To use the L3 and R3 buttons, the player simply needs to press down on the analog stick. This will typically cause the game to respond in some way, such as moving the camera or aiming a weapon. The L3 and R3 buttons on a PS4 controller are the analog sticks when pressed down. These buttons can be used for a variety of different functions in different games. Some games may use them for additional actions, such as sprinting or using special abilities, while others may use them for more pre