2004 Buick Regal Owner's Manual - Page 160

Audio Steering Wheel Controls If your vehicle has this feature, you can control certain radio functions using the buttons on your steering wheel. AM FM: Press this button to choose FM1, FM2, or AM. If a cassette tape or CD is playing, press this button to listen to the radio. The inactive cassette 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. w VOL x (Volume): Press the up or the down arrow to increase or to decrease volume. Understanding Radio Reception AM w SEEK x: Press the up or the down arrow to seek to the next or to the previous radio station. If a cassette tape or CD is playing, the player will advance to the next or the previous selection. SCAN: Press this button and SCAN will appear on the display. The radio will go to the first preset station on your pushbuttons, play for a few seconds, then go to the next preset station. The radio will scan preset stations with a strong signal only. Press SCAN again to stop scanning. 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. 3-62