1998 Buick Riviera Owner's Manual

If you enter the wrong codeight times, INOP willappear on the display. You will have to wait an hourwith the ignition on before you can try again. Whenyou try again, you will only have three more chances(eight tries per chance) to enter the correct code beforeINOP appears.If you lose or forget your code, contact your dealer.Disabling the Theft-Deterrent FeatureEnter your secret code as follows; pause no more than15 seconds between steps:1. Turn the ignition to ACCESSORY or RUN.2. Turn the radio off.3. Press the 1 and 4 buttons together. Hold themdown until SEC shows on the display.4. Press MIN and 000 will appear on the display.5. Press MIN again to make the last two digits agreewith your code.6. Press HRS to make the first one or two digits agreewith your code.7. Press AM-FM after you have confirmed that thecode matches the secret code you have written down.The display will show ---, indicating that the radio isno longer secured.If the code entered is incorrect, SEC will appear on tnedisplay. The radio will remain secured until the correctcode is entered.When battery power is removed and later applied to asecured radio, the radio won’t turn on and LOC willappear on the display.To unlock a secured radio see “Unlocking theTheft-Deterrent Feature After a Power Loss” earlierin this section.3-17