A fixing device for fixing an object on a fixing surface (I) in a vehicle (F), comprising - at least one fixing element , which for fixing the object is formed with a fixing portion that is provided for an engagement into a fixing opening (O1), wherein the fixing portion can be introduced into the fixing opening (O1) along an introduction direction (E), and - a locking device (V), which is adapted to lock the fixing element at the fixing opening (O1) in interaction with the fixing portion introduced into the fixing opening (O1), wherein the locking device (V) comprises at least one locking element shiftable transversely to the introduction direction (E), which, for locking the fixing element at the fixing opening (O1), can be adjusted into a locking position in which the locking element blocks the fixing portion against a removal from the fixing opening (O1), and wherein the locking device (V) comprises at least one connector with at least one contacting element , and the connector , for electrically contacting a contact portion of the fixing element introduced into the fixing opening (O1), can be adjusted into a contacting position by the at least one contacting element , characterized in that the locking element and the connector are adjustable relative to each other and the locking device (V) comprises an adjusting mechanism via which a driving force acting on the adjusting mechanism can be converted both into a first adjusting force (F1) for shifting the locking element into the locking position and into a second adjusting force (F2) for adjusting the connector relative to the locking element into the contacting position. - at least one fixing element , which for fixing the object is formed with a fixing portion that is provided for an engagement into a fixing opening (O1), wherein the fixing portion can be introduced into the fixing opening (O1) along an introduction direction (E), and - a locking device (V), which is adapted to lock the fixing element at the fixing opening (O1) in interaction with the fixing portion introduced into the fixing opening (O1), wherein the locking device (V) comprises at least one locking element shiftable transversely to the introduction direction (E), which, for locking the fixing element at the fixing opening (O1), can be adjusted into a locking position in which the locking element blocks the fixing portion against a removal from the fixing opening (O1), and wherein the locking device (V) comprises at least one connector with at least one contacting element , and the connector , for electrically contacting a contact portion of the fixing element introduced into the fixing opening (O1), can be adjusted into a contacting position by the at least one contacting element , characterized in that the locking element and the connector are adjustable relative to each other and the locking device (V) comprises an adjusting mechanism via which a driving force acting on the adjusting mechanism can be converted both into a first adjusting force (F1) for shifting the locking element into the locking position and into a second adjusting force (F2) for adjusting the connector relative to the locking element into the contacting position. <EOS>