The phrase "are the driver's seat" refers to being in control of a situation or having the power to make important decisions. Antonyms for this phrase could include being powerless, having no control, or being a spectator rather than an active participant. Other antonyms could be phrases such as "being at the mercy of others" or "being led by someone else's decisions." When a person is not in the driver's seat, they may feel frustrated, helpless, or insignificant. It is important for individuals to take charge of their own lives and strive to be in the driver's seat as much as possible, in order to achieve their goals and live fulfilling lives.