What do the buttons do? Laurence Wattrus April 19, 2017 13:50 Follow Karoo comes with five offset tactile buttons that perform all key functions in tough conditions while riding. Related articles How does the touchscreen work? Does the screen have backlight dimming or night mode? How much memory does Karoo have? Why is the USB port open? Karoo Operating System: Comments 0 comments Please sign in to leave a comment.