at the wheel
Synonym discussion
Sense: idiom/1
All three phrases describe operating a vehicle, but with different emphasis. 'At the wheel' is the most idiomatic and fixed — it functions as a single unit that follows 'be' or 'stay'. 'Behind the wheel' is equally common and slightly more literal, often used in formal or safety contexts ('ten hours behind the wheel'). 'Driving' is a simple, neutral verb that works in every register. 'In the driver's seat' adds a sense of authority and control, often used figuratively ('He put me in the driver's seat on the project'). For the literal act of steering a vehicle, 'at the wheel' and 'behind the wheel' are interchangeable; for a long journey, a native speaker might say 'We took turns at the wheel' but not 'We took turns in the driver's seat'.
Common collocations
Etymology
The phrase comes from the literal act of holding a vehicle's steering wheel to control its direction. 'Wheel' here has referred to a ship's wheel since the 1600s, but the modern idiom 'at the wheel' for road vehicles became common with the rise of automobiles in the early 1900s. The figurative extension to mean 'being in charge of an organisation or project' appeared soon after and is now widely used in business English.