2012 Toyota Prius Owners Manual - Page 891

6-2. Customization Item Function Operation signals (Emergency flashers) Default setting Customized setting ON OFF - O O Smart key system (→P. 61) and wireless remote control (→P. 85) Operation signals (Buzzers) Time elapsed before automatic door lock function is activated if door is not opened after being unlocked Level 1 to 6 Level 7 OFF O O O OFF 30 seconds 120 seconds 60 seconds - O O 592