2012 Toyota RAV4 Owners Manual - Page 503

2-4. Using other driving systems To disable TRAC and/or VSC (2WD models) If the vehicle gets stuck in fresh snow or mud, TRAC and VSC may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the vehicle in order to free it. The AUTO LSD function is activated when the system is in TRAC off mode.