1997 Chevrolet Lumina Owner's Manual - Page 152

1. Write down any three or four-digit number from 000 to 1999 and keep in a safe place separate from it the vehicle. 2. Turn the ignition to ACCESSORY or RUN. Unlocking the Theft-Deterrent Feature After a Power Loss Enter your secret code as follows; pause no more than 15 seconds between steps: 1. LOC appears when the ignition is on. 3. Turn the radio off. 4. Press the 1 and 4 buttons together. Hold them down until --- shows on the display. Next you will use the secret code number whichyou have written down. 5. Press MN and 000 will appear on the display. 6. Press MN again to make the last two digits agree with your code. 7. Press HR to make the firstone or two digits agree 2. Press MN and 000 will appear on the display. 3. Press MN again to makethe last two digits agree with your code. 4. Press HR to make thefirst one or two digits agree with your code. with your code. 8. Press AM-FM after you have confirmed that the code matches the secret code you have written down. The display will show REP to letyou know that you need to repeat Steps5 through 7 to confirm your secret code. 9. Press AM-FM and this time the display will show SEC to letyou know that your radio secure. The is indicator by the volume control will begin flashing when the ignition is turned off. 5. Press AM-FM after you have confirmed that the code matches the secret code you have written down. The display will show SEC, indicating the radio is now operable and secure. If you enter the wrong code eight times,INOP will appear on the display. You will have to wait an hour with the ignition on before you cany again. When you t r try again, you will only have three chances to enterthe correct code before INOP appears. If you lose or forget your code, contact your dealer. 3-16