Patent ID: 8452480
Filing Date: 2013-05-28
Classification: H04L

Abstract:
1. A method of authorizing an external device optionally connectable with a data bus of a motor vehicle, the method comprising the acts of: receiving in an authorization device of the motor vehicle via the data bus at least a first code enterable by an operator into the external device connectable to the data bus; comparing the first code with a second code by the authorization device and, if the first code corresponds to the second code, authorizing the external device to couple to the data bus; wherein the second code is defined in a time-variable manner by the motor vehicle independently of the external device after the motor vehicle receives a request for data bus access and is determinable from code information visually output in an interior of the motor vehicle by an output unit of the motor vehicle, and the first code is derived from the code information output in the vehicle interior.