I PURCHASED THIS VEHICLE FROM A PRIVATE AUCTION IN HESPERIA, CA AROUND AUGUST OF 2020 AND I AM CURRENTLY THE REGISTERED OWNER AS OF TODAY. ABOUT A MONTH INTO THE PURCHASE I NOTICE THE CAR JERK AND BRAKE UNUSUALLY WHILE IN MOTION. I DIDN'T KNOW WHAT EXACTLY HAPPENED AT THE TIME SO I IGNORED IT FOR THE MOMENT. THEN ABOUT ANOTHER MONTH AFTER THAT INCIDENT MY WIFE, KIDS AND I WERE TRAVELING ABOUT 70 MPH ON THE 15FWY HEADED SOUTH AND THIS TIME IT HAPPENED ONCE AGAIN AND MORE AGGRESSIVELY DUE TO IS TRAVELING AT A MUCH GREATER SPEED AND DID JERK A LOT HARDER ALMOST MAKING MY WIFE LOSE CONTROL. LUCKILY SHE WAS ALERT AND PULLED OVER TO THE SHOULDER RIGHT AWAY AND THAT'S WHEN WE NOTICED A NEW LIGHT ON THE I DASH HAD ILLUMINATED. WE SEE THE ACRONYM (VSA) ILLUMINATE AND I HAD NEVER SEEN THIS PARTICULAR LIGHT BEFORE SO I THEN START TO RESEARCH IT. I FIND OUT IT'S PART OF AN ANTI LOCK FEATURE AND IT'S SUFFICE WHEN DEALING WITH CURVY ROADS AND HELPS WITH TRACTION WHICH GIVES SMOOTHER TURNS WHILE DRIVING AND GIVES BETTER CONTROL OF THE VEHICLE. I ALSO READ IT'S BEST TO KEEP THIS FEATURE OFF WHILE COMMUTING IN YOUR REGULAR EVERYDAY TRANSIT. SO AS MONTHS GO BY IT HAPPENED TO ME A GOOD HANDFUL OF TIMES AFTERWARDS BUT AT SLOWER SPEEDS AND THIS TIME THE LIGHT WOULD NOT GO OFF WHEN I TRIED TURNING OFF THE VSA CONTROL BUTTON ON THE DRIVER SIDE DASH. I DIDN'T HAVE MEANS TO REPAIR THIS PART SO I PUT IT OFF ONCE AGAIN. WELL COMING TO A MORE RECENT EVENT WHICH RESULTED IN MYSELF LOSING CONTROL WHILE O