On gliders it's common to have buttons on top of the stick. There are <enter> and <escape> like buttons and a 4-way button emulating the arrow keys.
Using these to navigate menus still demands a whole lot attention. It just isn't very predictable.
This actually made me consider an Audi, except for the fact that by the time I drove it this was an older model, and that input had long been superseded by a pure touchscreen.