2013 CHEVROLET SPARK Electronic Stability Control Esc Problems

ABOUT A MONTH AGO MY CAR, WHILE DRIVING, STARTED ACTING UP. MY ODOMETER WOULD FLUCTUATE AND NOT GIVE ME MY SPEED, MY LOWER TIRE PRESSURE CAME ON, MY CHECK ENGINE LIGHT CAME ON, POWER STEERING WOULD GO IN AND OUT, AND ACCELERATION WOULD FLUCTUATE. I BROUGHT IT IN TO BE LOOKED AT, AFTER 3 DAYS OF HEARING NOTHING I CALLED AND THEY TOLD ME SOMETHING WAS WRONG WITH THE ONSTAR MODULE. AFTER 4 DAYS OF HAVING MY CAR BACK, SAME PROBLEMS. BROUGHT IT BACK IN, THEY CALLED AN ENGINEER IN SINCE THEY HAD NO IDEA WHAT WAS GOING ON AND A WEEK LATER I GOT MY CAR BACK. 4 DAYS LATER I AGAIN HAD TO BRING IT IN FOR THE SAME STUFF AND AFTER 9 DAYS OF PLAYING PHONE TAG THEN GAVE IT BACK. I HAVE HAD MY CAR BACK FOR 2 WEEKS WITHOUT ANY PROBLEMS, TODAY WHILE 35 MILES...

I WAS GOING SOUTH ON I95 DOING 70 MILES AN HOUR ENGINE LIGHT FLASHED OFF AND ON TRACTION CONTROL LIGHT ON CAR LOST SPEED AND WILL NOT SHIFT HIGH RP NOT SPEED. WAS ALMOST IN A VERY BAD ACCIDENT.