After your customers have mailed in their card, which they will find in the customer benefit pack you provided them, they can call us at: 1-800-881-2886 between the hours of 8:30 A.M. and 5:00 P.M. EST, Monday Through Friday. We will provide them with their key number to take to the nearest locksmith. ( Upon purchase of their vehicle you will have to provide them with the key numbers, they can then fill out the card and mail it to us.) Our address is located in the customer benefit pack which you provided them and is also located on the Contact Page. of our website.