Garden care vehicle comprising a chassis and/ or enclosure elements (30,60) and at least one watering device, wherein the at least one watering device comprises at least one coupling element for coupling the at least one watering device to an external water outlet of a water supply station for supplying the watering device with water, wherein the at least one coupling element is arranged in a fixed position on the chassis and/or on the enclosure elements (30, 60), wherein the garden care vehicle is configured to be navigable or to navigate in a first non-autonomous or autonomous navigation mode and to detect a position of the water supply station or the external water outlet or a position marking element associated with said external water outlet, and, in response to a detection of the position of the water supply station or the external water outlet or the position marking element, to navigate in a second autonomous navigation mode, wherein, in the first navigation mode the garden care vehicle is configured to be navigated non-autonomously or to navigate autonomously towards the water supply station, and wherein, in the second navigation mode, the garden care vehicle is configured to navigate autonomously into a position relative to the detected position of the water supply station or the external water outlet or the position marking element in which the at least one coupling element can be coupled to the external water outlet; characterized in that: the garden care vehicle comprises at least one second navigation assistance device, wherein the garden care vehicle is configured to navigate in the second autonomous navigation mode in dependence on the at least one second navigation assistance device; wherein the second navigation assistance device comprises a sensor unit for detecting the position of the external water outlet, wherein the sensor unit includes a sensor, wherein the sensor is arranged in a fixed position on the chassis and/or on the enclosure elements (30, 60), wherein the sensor has a preferred field of detection (FoD), wherein the sensor is fixed on the chassis and/or the enclosure elements (30, 60) in such way that the preferred field of detection (FoD) is directed substantially in the same direction in which the at least one coupling element can be coupled to the external water outlet. device, wherein the at least one watering device comprises at least one coupling element for coupling the at least one watering device to an external water outlet of a water supply station for supplying the watering device with water, wherein the at least one coupling element is arranged in a fixed position on the chassis and/or on the enclosure elements (30, 60), wherein the garden care vehicle is configured to be navigable or to navigate in a first non-autonomous or autonomous navigation mode and to detect a position of the water supply station or the external water outlet or a position marking element associated with said external water outlet, and, in response to a detection of the position of the water supply station or the external water outlet or the position marking element, to navigate in a second autonomous navigation mode, wherein, in the first navigation mode the garden care vehicle is configured to be navigated non-autonomously or to navigate autonomously towards the water supply station, and wherein, in the second navigation mode, the garden care vehicle is configured to navigate autonomously into a position relative to the detected position of the water supply station or the external water outlet or the position marking element in which the at least one coupling element can be coupled to the external water outlet; characterized in that: the garden care vehicle comprises at least one second navigation assistance device, wherein the garden care vehicle is configured to navigate in the second autonomous navigation mode in dependence on the at least one second navigation assistance device; wherein the second navigation assistance device comprises a sensor unit for detecting the position of the external water outlet, wherein the sensor unit includes a sensor, wherein the sensor is arranged in a fixed position on the chassis and/or on the enclosure elements (30, 60), wherein the sensor has a preferred field of detection (FoD), wherein the sensor is fixed on the chassis and/or the enclosure elements (30, 60) in such way that the preferred field of detection (FoD) is directed substantially in the same direction in which the at least one coupling element can be coupled to the external water outlet. the garden care vehicle comprises at least one second navigation assistance device, wherein the garden care vehicle is configured to navigate in the second autonomous navigation mode in dependence on the at least one second navigation assistance device; wherein the second navigation assistance device comprises a sensor unit for detecting the position of the external water outlet, wherein the sensor unit includes a sensor, wherein the sensor is arranged in a fixed position on the chassis and/or on the enclosure elements (30, 60), wherein the sensor has a preferred field of detection (FoD), wherein the sensor is fixed on the chassis and/or the enclosure elements (30, 60) in such way that the preferred field of detection (FoD) is directed substantially in the same direction in which the at least one coupling element can be coupled to the external water outlet.