A vehicle includes an external keypad having a touch panel. The keypad is designed for identifying an access code according to a user input in the touch panel, wherein the access code (i) a numerical value indicating a count of simultaneously depressed keys of the touch panel, and / or (ii) a match patterns including a pushing, dragging and letting go of the touch panel includes; and to make it easier for sending the access code to a controller, access to a vehicle Entriegelungsbenutzerschnittstelle. The controller may instruct the keypad to display the vehicle Entriegelungsbenutzerschnittstelle on the keypad, if the access code corresponds to a predefined access code stored in the controller. The keypad can display a background logo, when the keypad is ready to receive user input, and can display a vehicle Entriegelungsbenutzerschnittstelle on the touch panel when the access code is validated.