1993 Buick Regal Owner's Manual - Page 117

Vol The volume knob increases decreases volume when and it is held slightly rotated against the spring load. Tune Rotate the tune knob to tune radio stations. Thetune in knob increases and decreases station frequency when it is held slightly rotated against the spring load. Fade The fade control moves sound between the front and the rear speakers. B a1 To Play This Radio On-Off Press the OFF-VOL knob to turn the radio on and off. (The radio also goes on/off with the ignition). The control behind the fade control allows you to balance the sound between the right and left speakers. AM/FM Press the AM/FM button to get AM or FM. Seek Press the SEEK button to goto the next higher station and stay there. Push it again and it will find the next higher station. 115