For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition
65 WarningCruise Control Description and Operation Cruise Control
Cruise control is a speed control system that maintains a desired vehicle speed undernormal driving conditions at speeds above 40-km/h (25-mph). Steep grades may causevariations in the selected vehicle speeds.The following are the main components of the Cruise Control System:The accelerator pedalThe ...