How do you set clock on a 1989 Cadillac Brougham?

To set the clock on a 1989 Cadillac Brougham, first turn the ignition to the "On" position. Locate the clock setting button, usually found on the dashboard or near the radio. Press and hold the "H" button to set the hour, and use the "M" button to adjust the minutes. Release the buttons once the desired time is displayed.