1993 Buick Riviera Owner's Manual - Page 131

To Play This Radio Tune Press the topof the TUNE control tune in stations to the higher on the AM or FM radio band. Press bottom to tune in stations loweron the band. Seek Press the SEEK A or to search the AM,orFM radio band. forthe next station on Scan When you press scan, radio will go the next the to station and pause and keep scanning until press scan you again. Pushbuttons The five (1-5) pushbuttons can be used to preset to up ten radio stations(5 AM and 5 FM stations). 0 Tune in the desired station. 0 Push SET. 0 Within 5 seconds, push oneof the five pushbuttons. Whenever you push that button, preset station the will return. Repeat these steps for each pushbutton. Power Press POWER toturn the unit onor off when the ignition is ON. Volume Control Press the VOL control to increase or decrease the volume. For the preset listeninglevel, press the center of the VOL control. 129