The phrase "changed gears" typically means to transition from one approach or method to another, but its antonyms suggest that this transition may not be necessary or beneficial in certain situations. For example, instead of changing gears, one might opt to maintain the status quo, stay the course, or stick to their guns. Alternatively, they could switch gears entirely by pivoting, transforming, or innovating their current approach. Other antonyms for "changed gears" might include stagnation, resistance to change, or a refusal to adapt. Ultimately, the appropriate antonym for "changed gears" will depend on the specific context and goals of the individual or organization in question.