1997 Pontiac Bonneville Owner's Manual - Page 166
1997 Pontiac Bonneville Manual
Page 166 highlights
Theft-Deterrent Feature THEFTLOCK" is designed to discourage theft of your radio. It works by using a secret code to disable all radio functions whenever battery power is removed. The THEFTLOCK feature for the radio may be used or ignored. I ignored, the system plays normally and the f radio is not protected by the feature. If THEFTLOCK is activated, your radio will not operate if stolen. When THEFTLOCK is activated, the radio will display LOC to indicate a locked condition anytime battery power is removed. If your battery loses power for any reason, you must unlock the radio with the secret code before it will operate. Activating the Theft-Deterrent Feature 1. Write down any three or four-digit number from 000 to 1999 and keep it ina safe place separate from the vehicle. 2. Turn the ignition to ACCESSORY or RUN. 3. Turn theradio off. 4. Press the 1 and 4 buttons together. Hold themdown until --- shows on the display. Next you willuse the secret code number which you havewritten down. 5. Press MIN and 000 will appear on the display. 6. Press MIN again to make the last two digits agree with yourcode. 7. Press H R to make the first one ortwo digits agree 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 let you know that you need to repeat Steps 5 through 7 to confirm your secret code. The instructions which follow explain how to enter your secret code to activate the THEFTLOCK system. It is recommended that you read through all nine steps before starting the procedure. NOTE: If you allow more than 15 seconds to elapse between any steps, the radio automatically reverts to time and youmust start the procedure over at Step 4. 9. Press AM-FM and this time the display will show SEC to let you know that your radio is secure. Note that with the ignition off, the THEFEOCK indicator will flash, indicating a secured radio. 3-25