GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the cruise control cable from the the throttle lever then from the cruise control module .
  2. Ensure the cruise control cable moves in and out of the cable casing freely and smoothly.
  3. Replace any sticking or binding cables.Refer to Cruise Control Cable Replacement .
  4. Replace any cruise control cable adjuster lock that does not hold under normal operating conditions. Refer to Cruise Control Cable Replacement .