2012 Toyota Prius Owners Manual - Page 828

6-2. Customization Item Function Time elapsed before lights turn off Operation when the doors are unlocked Operation after the engine switch is turned to the "LOCK" position*2 Operation after the "POWER" switch is turned off*3 Operation when you approach the vehicle with the electronic key on your person*3 Default setting 15 seconds Customized setting 7.5 seconds 30 seconds - - - O O O On Off On Off - O Illumination (→P. 318) On Off - O On Off - O Seat belt reminder (→P. 433) Vehicle speed linked seat belt reminder buzzer On Off - O 520