Abstract: A method to modify activation information operatively stored in a remote location, the activation information is configured to be transmitted in an activation transmission generated by an appliance control device of a vehicle for remote activation of one or more appliances, the information modification method conducted through the support of a modification module having aspects incorporated into a mobile computing device, server, and a telematics unit of the vehicle is herein presented. The method includes the steps of: receiving a command to modify the activation information at the mobile computing device; transmitting the command from the mobile computing device to the remotely located server; receiving the command at the server; transmitting the command from the server to the remotely located telematics unit; receiving the command at the telematics unit; and modifying, via the telematics unit, the activation information prior to access by the appliance control device.