GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the cruise control cable at the module and the throttle lever.
  2. Ensure that the cruise control cable freely moves in and out of the cable casing without binding.
  3. Replace any sticking or binding cables. Refer to Cruise Control Cable Replacement .
  4. Replace any cable that contains an adjuster lock that does not hold under normal operating conditions.