The present invention relates to a motor vehicle driving aid system, the vehicle comprising a lighting device intended to illuminate a road scene at the front of the vehicle. The vehicle includes means for detecting an oncoming vehicle, control means receiving information from the detection means, and means for reducing dazzling of the driver of the motor vehicle caused by the light emitted by the oncoming vehicle. These means are controlled by the control means, and means for the management of the lighting device designed to increase the illumination of the lighting device of the vehicle and to avoid dazzling of the driver of the oncoming vehicle, these means being controlled by the control means.