Replacement Guarantee Shelby Auto Glass Warrants in writing the automotive glass installed by Shelby Auto Glass against any manufactures defects or workmanship for as long as you own the vehicle. Windshield Repair Guarantee If for any reason you are not completely satisfied with a windshield repair performed by one of our technicians, Shelby Auto Glass will apply the entire cost of the windshield repair toward the price of a replacement windshield purchased from Shelby Auto Glass. Or if for any reason you are not completely satisfied with a windshield repair performed by one of our technicians, Shelby Auto Glass will apply the amount of your windshield repair toward your insurance deductable on a new windshield purchased from Shelby Auto Glass. Electrical parts Guarantee Shelby Auto Glass will guarantee all electrical parts replaced or associated with glass replaced in your vehicle for 30 days. After 30 days Shelby Auto Glass can not be responsible for non working electrical components.