Comfort and Convenience
People differ in preferred cabin temperature, and those sitting in the back often feel airflow differently from those in front. Agreeing on a setting before departure avoids repeated adjustment during a trip.
Safety and Driver Assistance
Controls sit in different places from one car to another, so a short check while stationary covers the hazard lights, demister and headlight switch, removing the need to hunt for them mid-journey.
Multimedia and Connectivity
Listening habits differ: streamed audio depends on a mobile signal, while radio and stored files do not. On routes with patchy coverage, that distinction decides what keeps playing.