A power machine (100; 200; 300) comprising: a frame (110; 210); a power system (120; 220) supported by the frame; a traction system (140: 240) supported by the frame and powered by the power system to controllably propel the power machine over a support surface; drive motors of the traction system configured to cause the traction system to move the power machine over the support surface; an implement interface (170; 270) including an implement carrier (272; 370) configured to receive and secure an implement to the power machine; a lift arm assembly having at least one lift arm which supports the implement interface; at least one lift actuator (238; 456) coupled to the lift arm assembly and to the frame and configured to raise and lower the at least one lift arm; at least one tilt actuator (235; 458) coupled to the implement interface and to the lift arm assembly and configured to rotate the implement carrier relative to the lift arm assembly; the power machine (100; 200; 300) characterized by further comprising: a sensor system, including at least one sensor, configured to provide data indicative of a position of the power machine relative to the implement; and a control system (400; 450; 500) configured to control the traction system to automatically guide the power machine to the implement and to control the power machine to automatically couple the implement to the implement carrier, the control system being configured to control the drive motors, as a function of the position of the power machine relative to the implement as indicated by the data from the sensor system, to automatically guide the power machine to the implement, and the control system being further configured to control the at least one lift actuator and the at least one tilt actuator to automatically couple the implement to the implement carrier. a frame (110; 210); a power system (120; 220) supported by the frame; a traction system (140: 240) supported by the frame and powered by the power system to controllably propel the power machine over a support surface; drive motors of the traction system configured to cause the traction system to move the power machine over the support surface; an implement interface (170; 270) including an implement carrier (272; 370) configured to receive and secure an implement to the power machine; a lift arm assembly having at least one lift arm which supports the implement interface; at least one lift actuator (238; 456) coupled to the lift arm assembly and to the frame and configured to raise and lower the at least one lift arm; at least one tilt actuator (235; 458) coupled to the implement interface and to the lift arm assembly and configured to rotate the implement carrier relative to the lift arm assembly; the power machine (100; 200; 300) characterized by further comprising: a sensor system, including at least one sensor, configured to provide data indicative of a position of the power machine relative to the implement; and a control system (400; 450; 500) configured to control the traction system to automatically guide the power machine to the implement and to control the power machine to automatically couple the implement to the implement carrier, the control system being configured to control the drive motors, as a function of the position of the power machine relative to the implement as indicated by the data from the sensor system, to automatically guide the power machine to the implement, and the control system being further configured to control the at least one lift actuator and the at least one tilt actuator to automatically couple the implement to the implement carrier. a sensor system, including at least one sensor, configured to provide data indicative of a position of the power machine relative to the implement; and a control system (400; 450; 500) configured to control the traction system to automatically guide the power machine to the implement and to control the power machine to automatically couple the implement to the implement carrier, the control system being configured to control the drive motors, as a function of the position of the power machine relative to the implement as indicated by the data from the sensor system, to automatically guide the power machine to the implement, and the control system being further configured to control the at least one lift actuator and the at least one tilt actuator to automatically couple the implement to the implement carrier.