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
Adding Keys
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
J 35628-A Vats/Pass Interrogator Tester. See Special Tools and Equipment .
- In order to copy a PASS-Key® II ignition key, determine the necessary key code or resistance value.
- Determine the master ignition key code using the J 35628-A
as outlined in the following procedure:
- Turn ON the J 35628-A . See Special Tools and Equipment .
- Insert the key into the tool lock cylinder.
- Note the measured key code of the master ignition key as displayed on the key code reader.
- Obtain a key blank matching the key code.
- Cut the key blank to match the original key.
IMPORTANT: Disconnect the tool wiring connectors.
IMPORTANT:
When servicing the PASS-Key® II system, obtain all the vehicle ignition keys. Verify the key code values with the J 35628-A
. See Special Tools and Equipment .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.