Comfort and Convenience
On a hot afternoon, some people want a window slightly open for fresh air, while others prefer it shut against dust. That preference varies with the passenger.
Safety and Driver Assistance
Before a dawn departure in winter, knowing where the demister is lets you clear the glass while still parked, rather than after joining the road.
Multimedia and Connectivity
On a day of several appointments, a charged phone keeps maps and messages available. Charging, if the car provides it, matters when the handset can stay powered in the cabin.