2012 Toyota RAV4 Owners Manual - Page 246

2-4. Using other driving systems Disabling the TRAC system If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power from the EV system to the wheels. Pressing to turn the system off may make it easier for you to rock the vehicle in order to free it. To turn the TRAC system off, quickly press and release . The "TRAC OFF" indicator light will come on. Press again to turn the system back on.