We offer a comprehensive three year warranty which covers parts, sensors, and workmanship for any defect or malfunction. Simply return the defective part to our warranty claims department and we will replace the part and ship to you the replacement part in a swift and timely manner. Please include a copy of your receipt with your item and simply send your warranty replacement items to us at: Truck System Technologies, Inc. 4250 Keith Bridge Road Suite 200 Cumming, GA 30041 (770) 889-9102 PLEASE ALLOW TWO DAYS FOR US TO TEST YOUR WARRANTY RETURN ITEMS…. THANK YOU