1997 Buick Century Owner's Manual - Page 177

Disabling the Theft-Deterrent Feature Enter your secret code as follows; pause no more than 15 seconds between steps: 1. Turn the ignition to ACCESSORY or RUN. 2. Turn the radio off. 3. Press the 1 and 4 buttons together. Hold them down until SEC shows on the display. 4. Press MTN and 000 will appear on the display. 5. Press MIN again to make the last two digits agree with your code. 6. Press HRS to make the first one or two digits agree with your code. 7. Press AM-FM after you have confirmed that the code matches the secret codeyou have written down. The display will show ---,indicating that the radio is no longer secured. If the code entered is incorrect, SECwill 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 and LOC will appear on the display. To unlock a secured radio see "Unlocking the Theft-Deterrent Feature After a Power Loss" earlier in this section. Audio Steering Wheel Controls (If Equipped) If your vehicle has this feature,you can control certain radio functionsusing the buttons on your steering wheel. SEEK: Press the up or down arrow to tune tothe next or previous radio station. If a cassettetape or compact disc is playing, the player will advance to the next or previous selection. SCAN: Press the SCAN button and SCAN will appear on the display. SCAN works as the PSCAN button on your radio. It will scan through each of the preset radio stations. If a preset radio station has weak reception, the radio will not stop at the preset station.Press SCAN again to stop scanning. 3-33