1993 Buick Century Owner's Manual - Page 130

, NOTE: If you allow more than 15 seconds between steps, 4. you may have to start the procedure over at step 5. Press SET and O00 will appear on the display. 6. 1Press the SEEK, button to make the first number appear. 7. Rotate theTUNE knob rightor left to make the last two numbers agree with your code. To Unlock the System After a Power Loss: When battery poweris reapplied toa secured radio, the radio won't turn on and LOC will appear on the display. Enter your secret code as hllows; pause no more than 15 seconds between steps. 1. Turn the ignition on. (Radio off.) 2. Press the SET button. The display will show 0o0. a Press the lower(BAND)knob and0o0 will appear 3. Enter the six digits the code following steps of 6-9 above. The display will showthe numbers as entered. Press the lower(BAND) knob and SEC appears, then the time, indicating that the disabling sequence was successful. again. Now you are ready to enter the last three digits of your code. 4. 9. Repeat steps 6 and 7 for the lastthree digits of your code. 10. Press the lower (BAND)knob andrEP will appear for five seconds and then will appear. OOO 11. Repeat steps 6 through 10. This time SEC will amear. indicating that the radio is secure. l8 2