2004 Chevrolet Malibu Owner's Manual - Page 169

Setting the Time for Radios with Radio Data Systems (RDS) To set the hour, press the clock button. The clock icon will appear on the display and the hour number will flash on the display. Then turn the ADJ knob to increase or to decrease. To set the minutes, press the clock button again. The minute numbers will flash on the display. Then turn the ADJ knob to increase or to decrease. The time may be set with the ignition on or off. To synchronize the time with an FM station broadcasting Radio Data System (RDS) information, press and hold the clock button to enter the clock set mode, then press and hold the clock button for three seconds until UPDATED appears on the display. If the time is not available from the station, NO UPDATE will appear on the display. RDS time is broadcast once a minute. Once you have tuned to an RDS broadcast station, it may take a few minutes before pressing and holding the clock button to result in an update to the time. Radio with CD (Base Level) United States shown, Canada similar Playing the Radio O (Power): Press this knob to turn the system on and off. u (Volume): Turn this knob to increase or to decrease volume. 3-53