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Home >> Cadillac >> 2000 >> Seville SLS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Theft Deterrent System) >> Repair Instructions >> Adding Keys

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 .

    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 .
  1. In order to copy a PASS-Key® II ignition key, determine the necessary key code or resistance value.
  2. Determine the master ignition key code using the J 35628-A  as outlined in the following procedure:
      IMPORTANT: Disconnect the tool wiring connectors.
    1. Turn ON the J 35628-A  . See Special Tools and Equipment .
    2. Insert the key into the tool lock cylinder.
    3. Note the measured key code of the master ignition key as displayed on the key code reader.
    4. Obtain a key blank matching the key code.
    5. Cut the key blank to match the original key.