1993 Buick LeSabre Owner's Manual - Page 139

RCL It tells you the time. When the ignition is off, push RCL to display the time. With the radio on, and the time displayed, push it to see thefrequency. 0 Within 5 seconds, push one of the five pushbuttons. SET will disappear from the display when the station is set. Whenever you press that button, the preset station will return. SEEK 4 or b Pressing the SEEK 4 or b button will cause the receiver to seek the next lower or higher station and stop. Clock To set the clock: 0 0 Press the SET plushbutton. Within 5 seconds, press and hold SCAN until the correct hour appearson the display. Press and hold SEEK or 4 until the correct minute appears on the display. SCAN When you press SCAN, the radio will go to the next station and pause and keep doingthat until you press SCAN again. SC will appear in the display. 0 Pushbuttons The five pushbuttonslet you return to favorite stations. You can set the pushbuttons forup to ten stations ( 5 AM and 5 FM). Tune in the station you want to listen to. 0 To Adjust The Tone Use the levers next to the display to set the base, midrange and treble until you get the sound you want. The 60 and 250 levers adjust the bass; IK is midrange; and 3.5K and 10K control the treble. We suggest you start with the center lever ( I K ) in the midpoint position. Then move the others up or down until you get the amount of bass and treble you like. Press the SET pushbutton. The display will show SET. 137