1994 GMC Suburban Owner's Manual - Page 156

How to Operate Your AM-FM Stereo Audio System and Cassette Deck with Equalizer To Play The Radio Press the amber PWR button to switch the radio on and off. RCL Button When the ignition is off, press the RCL button to display the time. With the ignition in RUN or ACC, press RCL to recall the radio station frequency and volume setting when the time display is showing. After a few seconds, the readout will return to the time display. SEEK Button Press the SEEK button to make the receiver seek, and stop at,the next higher available station. SCAN Button Press the SCAN button to make the receiver scan, and momentarily pause at, all available stations. SCAN will appear in the electronic display while the receiver is in the scan mode. Press SCAN again to cancel the scan mode and hold the current station. AM-FM Button Press the AM-FM button to switch between AM and FM. 3-18