2012 Toyota Prius Navigation Manual - Page 328

2. ADVANCED PARKING GUIDANCE SYSTEM PRE-SUPPORT SWITCH Use this switch to turn on/off the presupport function and to switch assist mode between parallel parking assist mode and perpendicular parking assist mode. Pressing the pre-support switch while "POWER" switch is in ON mode and the vehicle is travelling below 9 mph (15 km/h) with the shift position in any position other than "P" or "R", will cause the screen to change in the following order. Pre-support function OFF (Navigation screen, etc.) Parallel parking assist mode pre-support screen Perpendicular parking assist mode pre-support screen Pre-support function OFF (Navigation screen, etc.) PERIPHERAL MONITORING SYSTEM 9 If the pre-support function cannot be used, two beeps will sound. 321 PRIUS v (US) NAVI 47675U 11.09.08 12:54