2010 Toyota Yaris Owners Manual - Page 259

3-5. Other interior features Vehicles without tachometer Press and hold the clock reset button to enter the adjustment mode for the clock. Press the clock reset button to adjust the minutes. After adjusting the minutes, wait 5 seconds to allow the minutes to be automatically input. Press the clock reset button to adjust the hours. After adjusting the hours, wait 5 seconds to allow the hours to be automatically input and then return to normal mode.