A deflator deployable on the ground adjacent a tire may include a base member, a body member having a first end attached to the base member and having a handle portion spaced upward from the base member when the bottom surface of the base member is placed on the ground, and two arms. Each arm may a first end pivotally attached to the base member and a second end extending away from the first end. Each arm may have a puncturing member located adjacent the second end. A release mechanism may be located on the body member adjacent to the handle portion and may be movable from a hold position to a release position.