How do you fix clock in 2000 grand prix?

To fix the clock in a 2000 Pontiac Grand Prix, start by turning the ignition key to the "On" position without starting the engine. Press and hold the "Hour" and "Minute" buttons on the radio or dashboard until the clock display starts blinking. Use the "Hour" button to set the hour and the "Minute" button to set the minutes. Once set, the clock should automatically save the time after a few seconds.