Comfort and Convenience
Preferred cabin temperature varies widely; what one occupant calls pleasant another finds stuffy or cold. Clothing, how recently someone was walking outside, and plain personal sensitivity all feed into that disagreement.
Safety and Driver Assistance
Knowing a layout by feel takes repetition, and the first drive is where that learning begins. Setting mirrors and seat position while stationary turns those choices into unhurried decisions rather than mid-traffic guesses.
Multimedia and Connectivity
Hands-free calling is a separate function from music: it needs a microphone and a way to route audio, and it interrupts whatever is playing. If such a system is present, answering becomes one deliberate action.