Self-propelled vehicle (1) comprising: a main frame (2), two steering wheels (3) articulated to the main frame (2), a lifting unit (4) connected to the main frame (2) and adapted to lift a load (L), a steering system (10) adapted to control the steering wheels (3) and equipped with a steering member (11), and a control unit (34) communicating with a detection sensor (33) for detecting a steering angle of the steering wheels (3) and a measuring sensor (35) adapted to measure the value of a parameter of the vehicle (1) that influences the stability of the vehicle itself, wherein the control unit (34) is configured to: calculate an alert value of the steering angle of the steering wheels (3) based on the value measured by the measuring sensor (35), and generating on the steering member (11), when the value of the steering angle detected by the detection sensor (33) exceeds the alert value, a haptic signal perceptible by a user of the vehicle (1).