Radio Anti-Theft Feature (THEFTLOCK(R)) Unlocking
WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. 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.
- Turn ignition switch to RUN position. Radio will display "LOC".
- Press MN. Radio will display "000".
- Press MN again until last 2 digits agree with secret code.
- Press HR until first 2 digits agree with secret code.
- 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 and wait one hour. Only 3 attempts at entering correct secret code will be permitted before "INOP" is displayed again.