GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the cruise control cable at the module and the throttle lever. Refer to Cruise Control Cable Replacement .
  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 cable adjuster lock that does not hold under normal operating conditions. Refer to Cruise Control Cable Replacement .