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Park Lock Cable: Notes

WARNING: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.
NOTE: Not all models are equipped with a park lock cable. Park lock cable adjustment information for some models is not available from manufacturer.
  1. With gearshift lever in Park and ignition switch in LOCK position, gearshift lever should not be allowed movement to other gear positions and ignition key should be removable from lock cylinder.
  2. With ignition switch in RUN position and gearshift lever in Neutral, ensure ignition switch cannot be turned to LOCK position. If system does not operate as specified, unlock park lock cable adjuster (button up). See Fig 1 . Move cable connector nose rearward until key can be removed from ignition switch. Lock cable adjuster (button down).
Fig 1: Adjusting Park Lock Cable
G95B13707Courtesy of GENERAL MOTORS CORP.