1998 Oldsmobile 88 Owner's Manual - Page 146

NOTE: If you allow more than seconds to elapse 15 between any steps,the radio automatically reverts to time and you must start the procedure over at Step 4. I Unlocking the Theft-Deterrent Feature After a Power Loss Enter your secret code as follows; pause no more than 15 seconds between steps: 1. Write down any three four-digit number from or 000 to 1999 and keep in a safe place separatefrom it the vehicle. 2. Turn the ignition to ACCESSORY or RUN. 1. LOC appears when the ignition is on. 2. Press MN and 000 will appear on the display. 3. Press MN again to make thelast two digits agree with your code. 3. Turn the radio off. 4. Press the 1 and 4 buttons together. Hold them down 4. Press HR to make thefirst one or two digits agree the until --- shows onthe display. Next you will use with your code. secret code number which you have written down. 5. Press AM-FM after you have confirmed that the 5. Press MN and 000 will appear onthe display. code matches the secret code you have written down. The display will show SEC, indicating the radio is 6. Press MN again to makethe last two digits agree now operable and secure. with your code. 7. Press HR to make the first one or two digits agree with your code. If you enter the wrong code eight times, INOP will appear on the display. You will haveto wait an hour with the ignitionon before you can try again. When you 8. Press AM-FM after you have conrlrmed thatthe r to code matches the secret code you have written down. t y again, you will only have three chances enter the The display will show REP let you know that you correct code before INOP appears. to If you lose or forget your code, contact your retailer. need to repeatSteps 5 through 7 to confirm your secret code. 9. Press AM-FM and this time the display will show SEC to let you know that your radio is secure. 3-19