US Patent 9988016 Authentication of mobile devices for vehicle communication

Methods and apparatus are disclosed for authentication of mobile devices for vehicle communication. An example mobile device for vehicle communication authentication a communication module to receive a signal from a vehicle, memory including an application for accessing digital keys, and key accessor. The example key accessor is to activate, in response to determining the application is inactive, the application utilizing the signal. The example key accessor also is to access a key via the application and send, via the communication module, the key to the vehicle.