In an example of a vehicle-related information sharing method, vehicle-related information is received at an in-vehicle application resident on a memory of a communications platform in a vehicle. The in-vehicle application identifies a mobile communications device to transmit a data package to, where the data package is associated with the vehicle-related information. The in-vehicle application recognizes that the mobile communications device has a vehicle-related application resident on a memory thereof and that the vehicle-related application has a rich message feature enabled. The in-vehicle application prepares the data package with vehicle-related action information and a phone number of the mobile communications device. The data package is transmitted from the in-vehicle application to the vehicle-related application first through a messaging server of a communications platform service provider and then through a proprietary messaging server of a proprietary messaging service of the mobile communications device.