2009 Toyota 4Runner Owners Manual - Page 218

2-4. Using other driving systems To disable TRAC (four-wheel drive control switch is in H4 mode and center differential lock is locked on 4WD models) If the vehicle gets stuck in fresh snow or mud, TRAC 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. n VSC OFF mode Stop the vehicle completely, and press the VSC OFF switch for more than 3 seconds. The slip indicator will come on. The system is in TRAC off mode. 194