A method for establishing a wireless connection between a mobile communication device and a communication module (14) of a vehicle (10) with an identifier (17) is disclosed. According to the method, access rights, namely links between vehicle identifiers (17) and user identifiers, as well as data required for establishing the wireless connection, are stored in a database server (16) outside of the mobile communication device. A control unit (11, 12) for carrying out the method is also disclosed.