The phrase "going into reverse" can be expressed using several synonyms. One alternative is to use "reversing," which means to move backward or to go opposite. Another synonym is "backtracking," which refers to the act of returning to a previous position or retracing one's steps. "Retreating" is also a suitable term to describe going into reverse as it denotes withdrawing or moving back from a position or situation. Additionally, "regressing" is another synonym for going into reverse, which implies returning to a former or less developed state. Therefore, in different contextual circumstances, one can use any of these synonyms interchangeably to convey the idea of moving backward or changing course.