Cruise Control Cable

Pull out adjuster lock by hand disengaging cable adjuster lock. See Fig 1 .
Adjuster internal spring removes much of cable slack. Remove as much of cable slack as possible, WITHOUT moving throttle lever.
Engage cable adjuster lock by pushing in adjuster lock. See Fig 2 .

Fig 1: Disengaging Cruise Control Cable Adjuster Lock

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engaging Cruise Control Cable Adjuster Lock

Courtesy of GENERAL MOTORS CORP.