An opening and closing assembly for a storage compartment provided on a dashboard of a vehicle comprises a first housing, a push button including a first slider, a second housing and a second slider. The push button is movably supported on the first housing. The first slider has a first inclined face at a rear end thereof. The second housing is mounted adjacent the first housing. The second slider is movably supported on the second housing. The second slider includes at least one clip on one end for connecting the second slider to the second housing and a second inclined face on the other end. A longitudinal axis of the second slider is substantially perpendicular to a longitudinal axis of the first slider such that the second inclined face faces the first inclined face of the first slider. The at least one clip of the second slider is movable toward a striker to unlock the storage compartment when the second inclined face is pressed by the first inclined face.