Hey there Katzer, thank you for finding the available time out of your lively day to ask us your question about the Samsung Galaxy Book3 360. That's a great question! Yes, the Galaxy Book3 360 does indeed have keyboard backlight brightness functionality available. To turn the keyboard backlight on or off and adjust its brightness, you'll use F9 as your Hot Key! If the hot keys do not work properly, install the Samsung Settings app. It's that easy! Let us know if you have any other questions for us! Thank you for being a devoted Samsung customer. - Debra