2019 BUICK REGAL Unknown Or Other Problems

Per your site, GM concluded a safety recall was necessary on the 2018-2020 Buick Regal on JUNE 30, 2022 due to partial or full loss of vacuum-brake assist pressure and warns that this "increase[s] the risk of a crash." On AUGUST 23, 2022, I received notice of the safety recall in a letter obliquely dated "August 2022". The letter states that a software fix "is not currently available", but also states, "If you have already paid for repairs for this condition, you may submit those charges using the reimbursement request form that will be provided with the next letter." Notably, the latter statement ostensibly reflects that some entity apart from GM actually does have a software fix for the problem. This is my only vehicle--I do not have the luxury to park it until GM is able to remedy the problem at some unknown date. I contacted GM's Buick division...

I PURCHASED VEHICLE BELIEVING IT DID NOT HAVE THE AUTO STOP FUNCTION. IT WAS NOT WORKING WHEN I PURCHASED IT, THE SALESMAN SAID THERE WAS NONE, AND THERE IS NOT A SHUT OFF BUTTON. AFTER DRIVING 600 MILES, THE AUTO STOP STARTED WORKING. A GM REPRESENTATIVE TOLD ME THERE ARE CERTAIN CRITERIA THAT MUST BE MET BEFORE THE AUTO STOP STARTS TO WORK ON A NEW VEHICLE. ONE OF THOSE IS THAT THE VEHICLE MUST BE DRIVEN OVER 600 MILES BEFORE IT STARTS TO WORK. THIS IS NOT DISCLOSED ANYWHERE TO THE PURCHASER OF THE VEHICLE. I WOULD NOT HAVE PURCHASED A VEHICLE THAT HAS AUTO STOP WITHOUT THE BUTTON TO SHUT IT OFF. WHEN IT STARTED TO WORK, I HAD JUST EXITED A GAS STATION AND PULLED UP TO A RED LIGHT AT AN INTERSECTION FOR AN OVERPASS ACROSS A BUSY HIGHWAY. THE ENGINE SHUT OFF WHEN I CAME...