K Yukon/Denali 4WD V8-5.7L VIN R (2000)
Cruise Control Switch: Description and Operation
THE ON/OFF Switch
The multifunction lever contains the ON/OFF position slide switch. The switch controls electrical power to the cruise control system. When the switch is
OFF, you can not engage the system. When the switch is ON, you can engage the cruise control system using either the SET or RESUME switch. The
cruise control system will not function at speeds less than approximately 40 km/h (25 mph).