Test drive
Going on a "test drive"
A test drive was a trial of an automobile before buying it, a system that existed on 20th century Earth.
In 1996, a time travelling Tom Paris rebuffed Tuvok's fears about the ethical implications of altering time by "borrowing" a pickup truck, saying, "Somehow I doubt that taking a test drive is going to alter the course of the universe." (VOY: "Future's End")