The Rostra 250-9608 is a Chevy Express cruise control kit (2013-2015). The Rostra Cruise Control kit is designed to add a cruise control system to those vehicles which did not come with one from the factory. You can set your desired speed by using the Rostra cruise control switch that is steering column mounted. Once you set your speed. the Rostra cruise control measures engine load and vehicle speed to ensure your car stays cruising at the desired speed. You can slow down or accelerate from your cruise by using ths switch for ease of use. The cruise controls feature set speed. tap up/tap down (1 mph per tap). coast/reduce speed. resume/accelerate. and controlled resume rate. FeaturesCruise Control Chevy Express & GMC Savana Vans 2013-2015Slow Down and Accelerate Without the PedalIncrease Comfort and Reduce Fatigue While DrivingIncludes Full Color Illustrated Installation ManualBuilt in an ISO9001 Quality Certified FacilityPrevent Fuel wasting due to erratic speed fluctuationsAvoid Tickets from unintended speedingNo Dealer Activation RequiredCompatibility:Express & GMC Savana Vans 2013-2015