The vehicles stability control engages when taking sharp corners, like curvy highways. when the stability control engages it locks the tires up trying to straighten out the vehicle forcing the vehicle into the oncoming traffic lane or off the road. i have to fight the vehicle just to keep it on the road under normal driving conditions. it has scared some of my passengers to the point that they won't ride in my vehicle anymore. i have heard of this happening to other similar toyota's in my area. this incident has occurred many times since i have owned the vehicle.