How do you set the clock on a 1994 Buick Roadmaster?

To set the clock on a 1994 Buick Roadmaster, turn the ignition key to the "On" position without starting the engine. Press and hold the "HR" button to set the hour, then press and hold the "MIN" button to set the minutes. Release the buttons once the correct time is displayed, and the clock will keep the new settings.