2012 Toyota Yaris Owners Manual - Page 749

6-2. Customization Item Function Time elapsed before lights turn off Default setting 15 seconds Customized setting 7.5 seconds 30 seconds OFF Illumination (→P. 221) Operation after the engine switch is turned to the LOCK position Operation when the doors are unlocked ON ON OFF Seat Belt Reminder Buzzer (→P. 326) Vehicle speed linked seat belt reminder buzzer ON OFF 390