A connection device (1) for connecting a wiper blade to a driving arm for a vehicle is disclosed. At least one connector is configured to be secured to the wiper blade. The connection device (1) comprises a base adapter (25) and at least one complementing adapter (26, 27), this base adapter (25) being equipped with at least one pivot member (50) connecting it to the connector (24), the base adapter (25) being configured to connect this connector (24) to a first type of driving arm, the base adapter (25) bearing at least one reference, the complementing adapter (26, 27) bearing at least one marking, a combination of the base adapter (25) and the complementing adapter (26, 27) generating a code visually associated with another type of driving arm, different from the first type of driving arm, from a combination of the reference and the marking.