The vehicle is equipped with two extra-bright rear fog lamps located in the left and right rear light clusters.The rear fog lamps are activated via the dedicated button in the left control panel in the dashboard; when the lights are on, the amber warning light in the instrument panel comes on.The engagement of the rear fog lamp is managed by the Body Computer; it is only activated if the following signals are present:- key on enablement signal (INT);- a control signal coming from the switch;- dipped headlamps on signal.If the dipped headlamps lights are turned off, the rear fog lamps are deactivated even if the operating button is still pressed. When the side lights are activated once again, the rear fog lamps do not come on automatically, but only when the button is pressed again.If the key is turned to the OFF position and then switched back to the ON position, the button must be activated again to turn on the rear fog lamps.The rear fog lamps check function controls the correct operation of the light with the following conditions being constantly monitored:- circuit open or bulb missing- short-circuit to earth (bulb s.c. or wiring s.c. to earth)- short circuit to battery voltage (wiring short circuited to Vbatt)When one of the situations described above is ascertained, the Body Computer makes the failure status available to the CAN: a special amber coloured "lights failure" warning light comes on in the instrument panel and, at the same time, the information is shown in the display.