1996 GMC Suburban Owner's Manual - Page 142

Setting the Clockfor Systems without Automatic Tone Control Press SET. Within five seconds,press and hold the SEEK right arrow until the correct minute appears on the display. Press and hold the SEEK left arrow until the correct hour appears on the display. AM-FM Stereo Setting the Clockfor Systems with Automatic Tone Control Press and hold HR until the correct hour appears on the display. Press and hold MIN until the correct minute appears on the display. To display the clock with the ignition off, press RECALL and the time will be displayed for a few seconds. There is an initial two-second delay before the clock goes into the time-set mode. Playing the Radio VOLUME-BAL: Turn the knob clockwise to turn the radio on and counterclockwise to turn it off. To increase the volume, turn the knob clockwise. To decrease the volume, turn the knob counterclockwise. Display the time with the ignition off by pressing the VOLUME-BAL knob. When the radio is playing, press this button to recall the station frequency. 3-10