Vehicle horn control device, designed to be installed on a steering wheel of the vehicle, comprising: - a base component, - a control component, which is movable with respect to the base component between a rest position and a depressed position, - resilient return means, designed to push back the control component from the depressed position to the rest position, - positioning means, designed to impose the rest position on the control component, - an electrical circuit having at least one switch comprising a second contact terminal, installed on the control component, and a first contact terminal, secured to the base component, the device being such that the positioning means comprise the first contact terminal which is designed to position the control component in the rest position, so as to close the switch when the control component is in the rest position, and such that the positioning means are stop means comprising the first contact terminal which is designed to form a mechanical stop for the control component returned to the rest position by the return means, and such that the stop means comprise means for guiding the control component, wherein the positioning means comprise a shouldered rod, the device being characterized in that the control component forms a support component which is designed to receive a safety module or forms a cover or hood for a safety module, and in that the rod forms the first contact terminal, is electrically conductive and is part of the electrical circuit. - a base component, - a control component, which is movable with respect to the base component between a rest position and a depressed position, - resilient return means, designed to push back the control component from the depressed position to the rest position, - positioning means, designed to impose the rest position on the control component, - an electrical circuit having at least one switch comprising a second contact terminal, installed on the control component, and a first contact terminal, secured to the base component, the device being such that the positioning means comprise the first contact terminal which is designed to position the control component in the rest position, so as to close the switch when the control component is in the rest position, and such that the positioning means are stop means comprising the first contact terminal which is designed to form a mechanical stop for the control component returned to the rest position by the return means, and such that the stop means comprise means for guiding the control component, wherein the positioning means comprise a shouldered rod, the device being characterized in that the control component forms a support component which is designed to receive a safety module or forms a cover or hood for a safety module, and in that the rod forms the first contact terminal, is electrically conductive and is part of the electrical circuit. the device being such that the positioning means comprise the first contact terminal which is designed to position the control component in the rest position, so as to close the switch when the control component is in the rest position, and such that the positioning means are stop means comprising the first contact terminal which is designed to form a mechanical stop for the control component returned to the rest position by the return means, and such that the stop means comprise means for guiding the control component, wherein the positioning means comprise a shouldered rod, the device being characterized in that the control component forms a support component which is designed to receive a safety module or forms a cover or hood for a safety module, and in that the rod forms the first contact terminal, is electrically conductive and is part of the electrical circuit.