2005 Buick Century Owner's Manual - Page 164

SCAN: Press this button until SCAN appears on the display. The radio will go to the first preset station on the pushbuttons, play for a few seconds, then go to the next preset station. Press SCAN again to stop scanning. The radio will only scan preset stations with a strong signal that are in the selected band. AM FM: Press this button to switch between FM1, FM2, or AM. When a cassette tape or CD is playing, press this button to listen to the radio. The inactive tape or CD will remain safely inside the radio for future listening. SRCE (Source): Press this button to play a cassette tape or CD when listening to the radio. MUTE: Press this button to silence the audio system. Press it again to turn on the sound. Radio Reception AM The range for most AM stations is greater than for FM, especially at night. The longer range, however, can cause stations to interfere with each other. AM can pick up noise from things like storms and power lines. Try reducing the treble to reduce this noise. FM FM stereo will give you the best sound, but FM signals will reach only about 10 to 40 miles (16 to 65 km). Tall buildings or hills can interfere with FM signals, causing the sound to come and go. Q VOL R (Volume): Press the up or the down arrow to increase or to decrease the volume. 3-64