2003 Buick Regal Owner's Manual - Page 163

Audio Steering Wheel Controls If your vehicle has this feature, you can control certain radio functions using the buttons on your steering wheel. SCAN: Press this button and SCAN will appear on the display. The radio will scan 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. AM FM: Press this button to choose AM, FMI or FM2. If a cassette tape or compact disc is playing, press this button to listen to the radio. SRCE (Source): Press this button to change to playing a cassette tape or compact disc when listening to the radio. MUTE: Press this button to silence the audio system. Press it again to turn on the sound. SEEK : Press the up or the down arrow to seek to the next or the previous radio station. If a cassette tape or compact disc is playing, the player will advance to the next or the previous selection. A v VQL (Volume) : Press the up or the down arrow to increase or to decrease volume. A v 3-58