Comfort and Convenience
Cabin temperature divides people more than almost anything else on a long route: one passenger feels a steady draught as relief, another as a nuisance. Agreeing a setting early avoids repeated adjustment.
Safety and Driver Assistance
Unfamiliar switchgear is best explored in a parked car, not at speed on an unknown road. A few minutes spent reading the handbook section on lights and warning symbols makes the first hours simpler.
Multimedia and Connectivity
Hands-free calling matters most when plans change mid-route and someone needs to be told. Where the car supports it, pairing a phone before setting off is easier than attempting it between junctions.