PASS-Key III(R) SYSTEM AUTO LEARN PROCEDURE
WARNING: This page is about a different car, the 1998 Cadillac Seville and 1997 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
PASS-Key III(R) system auto learn procedure must be performed if Powertrain Control Module (PCM), ignition lock cylinder, reader/exciter or ignition key are replaced.
- Insert a valid mechanical coded unlearned ignition key in the ignition switch. Place ignition switch in the RUN position. The SECURITY indicator light will come on for 10 minutes, the length of the auto learn timer.
- When auto learn timer expires and SECURITY indicator light goes off, place ignition switch in OFF position. Remove ignition key from ignition. Wait 10 seconds.
- Repeat steps 1) and 2) two more times. Insert the newly learned ignition key in ignition switch.
- Place ignition switch in RUN position. The SECURITY indicator light should remain off to indicate the ignition key was learned. If security indicator does not remain off, repeat procedure.