Comfort and Convenience
Where people like to sit varies: some prefer an upright position close to the wheel, others sit lower and further back. Height, leg length and simple habit all pull the preferred setting in different directions.
Safety and Driver Assistance
Familiarity is easiest to build in daylight and at a standstill. Trying the indicator stalks, demister and gear selector before leaving means the first time you need them is not also the first time you find them.
Multimedia and Connectivity
Calls are a separate need from music. If a journey includes arranging an arrival time, being able to speak without holding the phone keeps the conversation brief and the hands free for driving.