To provide a vehicle which can maintain an attitude of a vehicle body desired by an occupant, and can make constant a corresponding range with respect to the fore-and-aft acceleration of the vehicle irrespective of the attitude of the vehicle.

When adjusting the vehicle body 10 in a reference attitude shown in Fig.4(a) into a tilting attitude shown in Fig.4(b), the vehicle 1 is made to travel backward (the direction of an arrow B) by receiving the operation of a tilt angle adjustment dial 37 by the occupant P. When the vehicle 1 starts to travel backward, the vehicle body 10 affected by the acceleration, and the vehicle body 10 is tilted frontward (the direction of an arrow F), and then, a balancer base 82 is moved backward while fixing a position of a balancer 81 with respect to the balancer base 82 in a position shown in Fig.4(a) so that the tilt angle of the vehicle body 10 becomes a set tilt angle θ.

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