Self-propelled curing machine for curing freshly-laid concrete slabs - in particular, concrete roadways extending longitudinally in the working direction - wherein the curing machine has: a machine frame supported by running gear, a spraying device provided on the machine frame for applying a curing agent, which has a liquid system which comprises a plurality of liquid lines (43A, 43B, 48, 52, 55, 57) for conducting liquid, a plurality of shut-off elements (1, 2, 3, 4, 5, 6, 7, 8) for shutting off individual liquid lines, at least one pump for conveying a liquid in the liquid lines, at least one curing agent tank for holding a curing agent, at least one cleaning agent tank for holding a cleaning agent, and at least one group (24A, 24B, 27A, 27B) of spray nozzles for spraying curing agent onto a concrete slab, characterised in that a control device which works together with an operating unit is provided for automatically actuating the at least one pump and the shut-off elements (1, 2, 3, 4, 5, 6, 7, 8), wherein the control device is configured such that, by manual actuation of the operating unit, at least two operating modes from the group comprising: i. a filling mode, wherein the liquid system is designed for filling mode such that, in filling mode, the curing agent tank is filled with a curing agent, ii. a spraying mode, wherein the liquid system is designed for a spraying mode such that, in spraying mode, curing agent is sprayed via the at least one group (24A, 24B, 27A, 27B) of spray nozzles, iii. a mixing mode, wherein the liquid system is designed for a mixing mode such that, in mixing mode, curing agent is set in motion in the at least one curing agent tank, and iv. a cleaning mode, wherein the liquid system is designed for a cleaning mode such that, in cleaning mode, a cleaning liquid is conducted to the at least one group (24A, 24B, 27A, 27B) of spray nozzles, can be selected, wherein, after selection of an operating mode, the at least one pump and the shut-off elements (1, 2, 3, 4, 5, 6, 7, 8) assigned to the selected operating mode are actuated in such a way that the selected operating mode is executed. a machine frame supported by running gear, a spraying device provided on the machine frame for applying a curing agent, which has a liquid system which comprises a plurality of liquid lines (43A, 43B, 48, 52, 55, 57) for conducting liquid, a plurality of shut-off elements (1, 2, 3, 4, 5, 6, 7, 8) for shutting off individual liquid lines, at least one pump for conveying a liquid in the liquid lines, at least one curing agent tank for holding a curing agent, at least one cleaning agent tank for holding a cleaning agent, and at least one group (24A, 24B, 27A, 27B) of spray nozzles for spraying curing agent onto a concrete slab, characterised in that a control device which works together with an operating unit is provided for automatically actuating the at least one pump and the shut-off elements (1, 2, 3, 4, 5, 6, 7, 8), wherein the control device is configured such that, by manual actuation of the operating unit, at least two operating modes from the group comprising: i. a filling mode, wherein the liquid system is designed for filling mode such that, in filling mode, the curing agent tank is filled with a curing agent, ii. a spraying mode, wherein the liquid system is designed for a spraying mode such that, in spraying mode, curing agent is sprayed via the at least one group (24A, 24B, 27A, 27B) of spray nozzles, iii. a mixing mode, wherein the liquid system is designed for a mixing mode such that, in mixing mode, curing agent is set in motion in the at least one curing agent tank, and iv. a cleaning mode, wherein the liquid system is designed for a cleaning mode such that, in cleaning mode, a cleaning liquid is conducted to the at least one group (24A, 24B, 27A, 27B) of spray nozzles, i. a filling mode, wherein the liquid system is designed for filling mode such that, in filling mode, the curing agent tank is filled with a curing agent, ii. a spraying mode, wherein the liquid system is designed for a spraying mode such that, in spraying mode, curing agent is sprayed via the at least one group (24A, 24B, 27A, 27B) of spray nozzles, iii. a mixing mode, wherein the liquid system is designed for a mixing mode such that, in mixing mode, curing agent is set in motion in the at least one curing agent tank, and iv. a cleaning mode, wherein the liquid system is designed for a cleaning mode such that, in cleaning mode, a cleaning liquid is conducted to the at least one group (24A, 24B, 27A, 27B) of spray nozzles,