Comfort and Convenience
Cabin temperature is where preferences diverge most: one passenger wants steady warmth, another wants cool air moving constantly. Agreeing on a setting, or on how often to change it, avoids a recurring negotiation en route.
Safety and Driver Assistance
A new car's controls take time to become automatic. Trying the indicator stalk, hazard switch and gear selector in a quiet place first means the first roundabout is not also a first lesson.
Multimedia and Connectivity
Taking a call on the move is the common need, and hands-free operation, where supported, keeps it simple. Music and charging are separate matters: a stored playlist helps where signal fails, and power needs its own socket.