While making a wide right turn at an intersection I heard three warning beeps before the steering wheel locked. I was unable to correct the steering. When I realized it wasnat allowing the steering to correct, I began to brake, causing me to drive over a curb, ultimately stopped by a fence and cactus in someoneas yard. This is a huge safety concern, as children couldave been playing in the yard, or farther up the road where a curve has a 30 foot embankment I could have rolled into. I have scheduled a service appointment with Tesla to have it looked at. I have had this issue occur multiple times before and am sure it can be reproduced.