Comfort and Convenience
The button sits in the dashboard where a key barrel would otherwise be, so the steering column carries no lock cylinder and the ignition switching moves to an electrical circuit instead.
Safety and Driver Assistance
A collision avoidance system watches the closing gap ahead continuously by sensor, never blinking or glancing aside, and can prime the brakes before a driver's eyes have registered the change.
Multimedia and Connectivity
The 12V outlet carries no audio or data at all, only direct current drawn from the electrical system, letting a phone or adapter charge while the USB or AUX handles the music.