1998 Pontiac Firebird Owner's Manual - Page 162
1998 Pontiac Firebird Manual
Page 162 highlights
2. Turn the ignition to ACCESSORYor RUN. 3. Turn the radio off. THEFTLOCK@is designed to discourage theft of your radio. It works by using a secret code to disable all radio 4. Press the 1 and 4 buttons together. Hold them down Theft-Deterrent Feature functions whenever battery power is removed. The THEFTLOCK featurefor the radio may be used or ignored. If ignored, the system plays normally and the radio is not protected by the feature.THEFTLOCK is If activated, your radio will not operate if stolen. When THEFTLOCK is activated, the radio will display LOC to indicatea locked condition anytime battery power is removed. If your battery loses power for any reason, you must unlock the radio with secret code the before it will operate. until --- shows on the display. Next you will use the secret code number which you have written down. 5. Press MIN and 000 will appear on the display. 6. Press MIN again to make the last two digits agree with your code. 7. Press HR to make the first or two digits agree one 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 showREP to let you know that you Activating the Theft-Deterrent Feature need to repeat Steps5 through 7 to confirm your secret code. The instructions which follow explain how to enter your is secret codeto activate the THEFTLOCK system. It 9. Press AM-FM and this time the display will show recommended that you read through all nine steps SEC to let you know that your radio is secure. before starting the procedure. Note that with the ignition off, the THEFTLOCK NOTE: If you allow more than 15 seconds to elapse indicator will flash, indicating a secured radio. between any steps, the radio automatically reverts to time and you must start the procedure over at Step 4. 1. Write down any three or four-digit number from 000 to 1999 and keep it in a safe place separate from the vehicle. 3-17