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Home >> Chevrolet >> 2000 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Body Control Modules) >> Programming >> Radio Anti-Theft Feature (THEFTLOCK(R)) Unlocking
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Radio Anti-Theft Feature (THEFTLOCK(R)) Unlocking

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Allowing more than 15 seconds to elapse between each action in this procedure, will cause radio to automatically revert to time function.
  1. Turn ignition switch to RUN position. Radio will display LOC.
  2. Press MN. Radio will display "000".
  3. Press MN again until last 2 digits agree with secret code.
  4. Press HR until first 2 digits agree with secret code.
  5. Press AM-FM after secret code has been confirmed. Radio will display "SEC", indicating radio is operable and secure. If wrong code has been entered 8 times, radio will display "INOP". Turn ignition switch to RUN position for one hour. There are only 3 attempts of entering correct secret code before "INOP" is displayed again.