1997 Chevrolet Monte Carlo Owner's Manual - Page 136

If the code entered is incorrect, SEC will appear on the display. The radio will remain secured until the correct code is entered. When battery power is removed and later applied to a secured radio, the radio won't turn on andLOC will appear on thedisplay. To unlock a secured radio, see "Unlocking the Theft-Deterrent Feature After a Power Loss" earlier in this section. If a cassette tape or compact disc is playing, the player will advance with the up arrow and rewind with the down arrow. PRESET: Press this button to play a station you have programmed on the radio preset buttons. AM-FM: Press this button to choose AM, FMl or FM 2. If a cassette tape or compact disc isplaying, it will stop and the radio will play. Audio SteeringWheel Contro(If Equipped) If your vehicle has this feature, you can control certain radio functions using the buttons on your steering wheel. VOLUME: Press the up I or down arrow to increase or decrease volume. SEEK: Press the up arrow to tune to the next radio station and the down arrow to tune to the previous radio station. PLAY Press this button to play a cassette tape or compact disc when the radio is playing. MUTE: Press this button to silence the system. Press it again to turn on the sound.