Previa Van 4WD L4-148.8 2438cc 2.4L DOHC (2TZ-FE) (1991)
6. RESET ENGINE OIL CHANGE REMINDER.
a. Remove the cover from the combination meter.
b. Reset the system by pushing the knob with a thin object such as a pin tip.
HINT: When the oil change reminder light is on, push the knob to turn the light OFF.
NOTICE: Regardless of whether the oil change reminder light is on or not, after changing the oil always push the oil change indicator system
knob in order to reset the system.