Definition of driver's seat in English English dictionary
If you say that someone is in the driver's seat, you mean that they are in control in a situation. Now he knows he's in the driver's seat and can wait for a better deal
In a vehicle such as a car or a bus, the driver's seat is the seat where the person who is driving sits
disapproval If you refer to someone, especially a politician, as a back-seat driver, you disapprove of them because they try to influence a situation that does not concern them. They accused the former prime minister of being a backseat driver