Comfort and Convenience
Airflow direction is a comfort preference in its own right. Some people want vents aimed towards the face, others prefer air reaching the feet or the screen, and habits carried from earlier cars often decide it.
Safety and Driver Assistance
A few quiet minutes with the owner's manual before the first journey helps explain unfamiliar symbols and switch positions. Preparation of that kind turns later questions into things already answered rather than puzzles mid-errand.
Multimedia and Connectivity
Calls arriving mid-errand are common, and the practical question is whether they can be answered without picking the phone up. Where hands-free telephony is provided, that is the need it addresses.