2017 CHEVROLET TRAX Wheels Problems

I AM NOW BEGINNING TO THE EXPERIENCE SERIOUS PROBLEMS WITH THE CAR I CAN BE DRIVING AT 45 AT SHAKES AND VIBRATES AND THEN THIS SPEEDOMETER GO DOWN AND I HAVE TO PULL OVER AND IT CUTS OFF IN THE MIDDLE OF THE HIGHWAY I HAVE NOT DROVE IN THIS CAR OVER A WEEK BECAUSE OF THE SAFETY FEATURES THAT I FEEL I AM IN ATLANTA GEORGIA AND I TRAFFIC IS BUMPER-TO-BUMPER AND I DO NOT FEEL SAFE AND DRIVING THIS CAR SOMETHING THAT I HAD PURCHASED TO TREAT MYSELF TO PAY OFF MY CAR IS FAIRLY BRAND NEW WHEN I GOT MY CAR MY CAR HAD ONLY 6 MILES ON IT AND I HAVE MAINTAINED THE SERVICE ON THIS CAR THIS CAR IS DEEMED NOT TO BE SAFE FOR ME AND MY FAMILY ESPECIALLY MY SMALL GRANDBABIES I NEED SOMETHING TO BE DONE IMMEDIATELY WITH THIS CAR AS A...

THE FEATURE ON THE CAR THAT NOTIFIES YOU THAT THE TIRE PRESSURE SENSOR IS FAILING MAY NOT BE WORKING. CURRENTLY MY TIRE PRESSURE ON MY DASHBOARD IS REPORTING THAT THE PSI ON MY RIGHT REAR TIRE IS 19 PSI. HOWEVER WHEN I PUT AN AIR GAGE TO THE TIRE ITS READING 34 OR 35 PSI. I HAVE TAKEN IT TO A TIRE SHOP SO THAT THEY CAN PUT MORE AIR AND THEY ALSO STATE THE PRESSURE IS FINE.