1997 GMC Safari Owner's Manual - Page 165

SCAN: Press and hold SEEK until the radio goes into SCAN mode. SCAN allows you to listen to stations for a few seconds. The receiver will continue to scan and momentarily stop at each station until you press SEEK again. P.SET PROG: The front passengers must be listening to something different foreach of these three functions to work: 0 AM-FM Stereo with Compact Disc Player (If and Automatic Tone Control Equipped) I I Press this button to seek through your preset radio stations set on your primary radio pushbuttons. When a cassette tape is playing, press this button to go to the other sideof the tape. TAPE CD: With a cassettetape in the player and the radio playing,press this button to play a cassette tape. Press AM-FM to return to the radio when a cassette tape is playing. The inactive tapewill remain safely inside the radio for future listening. Playing the Radio PWR-VOL: Press this knob to turn the system on and off. To increase volume, turn this knob clockwise. Turn it counterclockwise to decrease volume. The knob is capable of rotating continuously. RECALL: Display the time with the ignition off by pressing this button. When the radio is playing, press this button to recall the station frequency.