2005 GMC YUKON Electronic Stability Controlautomatic Asc Problems

WE HAD OUR BRAND NEW 2005 YUKON SLT FOR 1 WEEK AND IT HAD APPROXIMATELY 226 MILES ON IT, WHEN THE "STABILITRAK" ELECTRONIC STABILITY CONTROL SYSTEM CAUSED THE VEHICLE TO LOCK UP. I WAS DRIVING APPROXIMATELY 45 MPH ON MY NORMAL ROUTE, A FAIRLY STRAIGHT ROUTE, WHEN THE VEHICLE MADE A LOUD GRINDING NOISE, BECAME IMPOSSIBLE TO MANEUVER, AND TOTALLY LOCKED UP. HAD I BEEN DRIVING FASTER, I AM CONFIDENT THAT WE COULD HAVE ROLLED OR BEEN IN AN AWFUL ACCIDENT. THE "SERVICE STABILITY" LIGHT WAS ON. THE DEALERSHIP WAS UNABLE TO PINPOINT THE CAUSE OF MALFUNCTION. GENERAL MOTORS CONCLUDED THAT THE YAW SENSOR HAD NOT BEEN CALIBRATED, CAUSING IT TO ENABLE THE STABILITRAK PROGRAM WITHOUT REASON OR WARNING. WE DID NOT FEEL COMFORTABLE WITH THAT EXPLANATION FROM GENERAL MOTORS. THE DEALERSHIP AGREED AND GOT US ANOTHER BRAND NEW YUKON. WE WOULD LIKE SOMEONE TO CALL US REGARDING THIS SERIOUS...

WE HAD OUR SECOND BRAND NEW 2005 YUKON SLT FOR ABOUT 1 WEEK, WITH APPROXIMATELY 250 MILES ON IT WHEN THE "STABILITRAK" AUTOMATIC STABILITY CONTROL SYSTEM CAUSED THE VEHICLE TO LOCK UP. WE GOT THIS VEHICLE AFTER OUR 1ST YUKON LOCKED UP APPROXIMATELY 1 MONTH EARLIER. WE HAD JUST LEFT OUR HOME AND WERE ON THE STREET WE LIVE ON DRIVING APPROXIMATELY 15 MPH, WHEN WE FELT SOMETHING WEIRD, HEARD A GRINDING NOISE, AND THE VEHICLE LOCKED UP. THE "SERVICE STABILITY" LIGHT WAS ON. THE IS EXACTLY THE SAME SCENARIO THAT HAPPENED ON OUR OTHER 2005 YUKON. THIS TIME THE DEALERSHIP SAID THEY COULD NOT FIND ANY DIAGNOSTIC CODES PRESENT IN THE COMPUTER, OR ANY ROUTE CAUSE. WE FEEL VERY UNCERTAIN OF THE "STABILITRAK" SYSTEM AND FEEL THAT THERE SHOULD BE A SAFETY REVIEW. HAD THIS HAPPENED AT A SPEED OF 60 MPH OR FASTER, WE COULD BE INJURED OR...