ACC, short for "accelerator," is often used in the automotive industry to refer to a car's accelerator pedal or system that controls the car's speed. There are various synonyms that can be used to replace the term "ACC," including "gas pedal," "throttle," "accelerator pedal," "foot pedal," "accelerator arm," "accelerator lever," and "gas lever," among others. While these terms may vary slightly in their meaning, they all refer to the same essential part of a car that allows the driver to control the throttle and thus the speed of the vehicle. Whether you prefer to use one of these synonyms or stick with the traditional "ACC," every driver should understand how to properly operate their car's accelerator system.