2012 Toyota Prius Navigation Manual - Page 333

2. ADVANCED PARKING GUIDANCE SYSTEM No. Function Distance guide line (yellow) The line moves, together with the estimated path guide lines, in sync with the steering wheel. This line indicates a position on the ground approximately 3 ft. (1 m) behind the rear bumper of the vehicle. When the steering wheel is turned, distance errors may occur. Distance guide line (red) The line moves, together with the estimated path guide lines, in sync with the steering wheel. This line indicates a position on the ground approximately 1.5 ft. (0.5 m) behind the rear bumper of the vehicle. When the steering wheel is turned, distance errors may occur. Distance guide line (blue) The line indicates a position on the ground approximately 1.5 ft. (0.5 m) behind the rear bumper of the vehicle. Parking assist guide line display mode screen button Touch to turn parking assist guide line display mode on.