2010 LEXUS IS 250 Traction Control System Problems

I WAS DRIVING HOME FROM A MOUNTAIN COMMUNITY WHILE IT WAS SNOWING. I ACTIVATED MY ECT SNOW BUTTON ON MY VEHICLE AND PROCEEDED TO GO UP AND DOWN TWO LARGE SNOW COVERED MOUNTAINS. AFTER SUCCESSFULLY TRAVERSING THE TERRAIN, I APPROACHED A STOP SIGN WHEN I BEGAN TO LOSE CONTROL OF THE CAR. MY SAFETY FEATURES , TRAC AND ECT ACTIVATED AND RIGHTED THE VEHICLE, HOWEVER, AFTER THE VEHICLE WAS RIGHTED, THE VEHICLE SUDDENLY LOSS POWER AND SEEMED AS IF IT STOPPED. THE CAR WAS SHUT OFF AND TURNED BACK ON, HOWEVER, THE BRAKE, ABS, AND SLIP INDICATOR LIGHTS REMAINED ILLUMINATED. I PROCEEDED TO DRIVE ON THE MAIN ROAD AND WENT DOWN TWO HILLS BEFORE APPROACHING A HILL AND BEGAN TO CLIMB THE HILL, AT WHICH TIME MY REAR WHEELS BEGAN TO SPIN AND I LOST CONTROL OF THE VEHICLE AND TURNED 180 DEGREES IN THE MIDDLE OF THE ROAD. AT...