GM Service Manual Online
For 1990-2009 cars only

    Object Number: 890220  Size: SH
  1. Put the control shift lever in Park (P) position and turn the ignition key to the LOCK position.
  2. Remove the ignition key from the ignition lock cylinder assembly.
  3. Remove the front cupholder/ashtray assembly to gain access to the park lock cable assembly.

  4. Object Number: 859136  Size: SH
  5. Using a small screwdriver, pick or awl lift the lock tab on the park lock cable assembly.
  6. Depress the control shift lever button and quickly release three times to move the cable to the initial position.
  7. With one hand, insert the key into the ignition lock cylinder assembly and turn to the RUN position.

  8. Object Number: 859143  Size: SH
  9. With the other hand, depress the park lock cylinder assembly toward the control base slowly while repeatedly attempting to turn the key to the LOCK position from the RUN position.
  10. Once the key can easily be turned to the LOCK position, depress the lock tab on park lock cable assembly.
  11. Important: When the lock tab is set, the slider position may change slightly.

  12. Perform the Park Lock Cable Assembly Operation Inspection procedure.
  13. If the automatic transaxle park lock cable does not pass inspection procedure, repeat steps 4 through 9 until it is properly adjusted.
  14. Important: If the ignition key cannot be turned to the LOCK position, lift up the lock tab on the park lock cable assembly. Push the park lock cable assembly towards the control base assembly until the ignition key can be turned to the LOCK position. Refer to steps 4 through 9.

  15. When the park lock cable assembly is correctly adjusted, install the front cupholder/ashtray assembly into the console.
  16. Perform the Park Lock Cable Assembly Operation Inspection procedure.