2010 Lexus IS F Owners Manual - Page 237
2010 Lexus IS F Manual
Page 237 highlights
2-4. Using other driving systems To disable TRAC and/or VSC 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. n Turning off TRAC Quickly push and release the button to turn off TRAC. The "TRAC OFF" indicator light should come on. Push the button again to turn the system back on. 2 When driving n Turning off TRAC and VSC Push and hold the button for more than 3 seconds to turn off TRAC and VSC. The "TRAC OFF" indicator light and VSC off indicator light should come on. (This disable operation is not available if either TRAC or VSC is operating.) Push the button again to turn the system back on. (This re-enable operation is not available if a wheel has lost traction such as drive wheel spinning or the vehicle is in an unstable condition.) 179