2013 Toyota FJ Cruiser Owners Manual - Page 170
2013 Toyota FJ Cruiser Manual
Page 170 highlights
2 -4 . U sing ot he r driving syst e m s Cra w l Cont rol ∗ Allows travel on extremely rough off-road surfaces at a fixed low speed without pressing the accelerator or brake pedal. Minimizes loss of traction or vehicle slip when driving on slippery road surfaces, allowing for stable driving.