Definitely the digital dash from the R.
Or to make the ACC act like Subaru's in that it will bring you to a complete stop, not require the driver to depress the brake pedal, and then will continue on when traffic flows with either a tap of the gas pedal or resume button. As it stands now it just brings you to a stop and forces you to depress the pedal, halting the ACC until you start going on your own again or hit resume.
...I know, I know. First world problems.
So, you don't want to drive your car? Save up for a Model 3, done.