1. At least one non-transitory machine readable storage medium comprising a set of instructions which, when executed by a processor, cause a first mobile device to: store a policy including a multi-factor condition that is to include a number uniquely configured for a user stating how many devices are to be required to allow a function of a vehicle to be accessible to the user; receive a request from a security module of the vehicle; and transmit the policy to the security module in response to the request.