Delco Electronics Corp. began producing car radios in 1936, and manufactured factory-installed and aftermarket car radios and CD players for General Motors vehicles until 2004. Delco radios and CD players can be found in a number of General Motors brand vehicles, including Cadillac, Chevrolet, Geo and Buick.
Turn off the radio. Press and hold the "Set" button until the clock set function appears on the digital display.
Press the first radio preset button to select the hours place. Use the "Scan" and "Search" buttons to adjust the hour to the correct time.
Press the second radio preset button to set the minutes. Adjust the minutes to the correct time using the "Scan" and "Search" buttons.
Press the "Set" button to save your changes.
