2012 Toyota Prius Navigation Manual - Page 362

2. ADVANCED PARKING GUIDANCE SYSTEM Message "A parking position could not be identified." "The space is not large enough to use APGS." "APGS is not available from this position." "! APGS has been cancelled." "The back door is open. Do not use the backup camera unless back door is completely closed." Cause A potential parking space has not been detected by the sensor. The sensor has detected a small parking space, and parking by APGS cannot be carried out. The easy set function cannot be used from this location. The speed at which the vehicle is moving forward is too fast. The back door is open. What to do Use the pre-support function in an area with parking spaces. Use the pre-support function in an area with a larger parking space. Move to a location from which parking can commence. Reduce the speed a little more and use the pre-support function. Close the back door completely. PERIPHERAL MONITORING SYSTEM 9 355 PRIUS v (US) NAVI 47675U 11.09.08 12:54