2012 Toyota Prius Navigation Manual - Page 379

2. ADVANCED PARKING GUIDANCE SYSTEM SENSOR DETECTION RANGE WHEN IN PERPENDICULAR PARKING ASSIST MODE CAUTION ● A sensor may not operate properly in the following situations: • There is ice, snow or mud on the sensor. (When it is removed, the normal operation will return.) • The sensor is frozen. (When the sensor warms up, it will return to normal.) At low temperatures in particular, sensors that are frozen may not detect a parked vehicle. • The sensor is covered in any way. • When the vehicle is tilted. • In extreme hot or cold weather. • When driving on bumpy roads, slopes, gravelled roads or grass. • Devices issuing ultrasonic waves are operated around your vehicle, such as a horn from another vehicle, motorcycle engine, air braking sound from heavy-duty vehicles. • When rain or water is splashed over the vehicle. • When a radio antenna or fender pole is mounted on your vehicle. • The sensor approaches too close to a parked vehicle. • The bumper or sensor receives a strong impact. ● Do not attach any accessories within the detection range of the sensors. SENSOR DETECTION RANGE WHEN IN PARALLEL PARKING ASSIST MODE 372 PRIUS v (US) NAVI 47675U 11.09.08 12:54