Under Settings, select Devices > Bluetooth Devices and hover over your controller name with drift issues. On a working PS4 controller, press the Options button in the upper-right corner of the screen.

If you've got PlayStation 4 controller drift, there are several reasons and also a handful of fixes to try.

If you've bought a new PS5 and aren't sure where the L3 and R3 buttons are, here's a guide on how to use them and customize them to your liking.