Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Cadillac Seville SLSFACTORY OEM SERVICE PROCEDURE
30-Minute Relearn Procedure
WARNING: This page is about a different car, the 2001 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use this procedure after replacing Passkey(R) III ignition keys, theft deterrent control module, or Powertrain Control Module (PCM).
- Using Black master Passkey(R) III ignition key, turn ignition switch to RUN position.
- Observe SECURITY indicator. After 10 minutes, SECURITY indicator should turn off.
- Turn ignition switch to OFF position, and wait 5 seconds.
- Repeat steps 1 - 3 2 more times for a total of 3 cycles, or 30 minutes.
- Using Black master Passkey(R) III ignition key, start vehicle. Vehicle has now learned key transponder information, and PCM has learned fuel continue password.
- Using scan tool, clear any DTCs.
NOTE:
Vehicle learns key transponder information and/or passwords when ignition switch is cycled from OFF to START. Ignition switch must be turned to OFF position before attempting to start vehicle.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.