Transmission Not Go Into Gear problems of the 2017 Buick Lacrosse

Tl the contact owns a 2017 Buick Lacrosse. The contact stated that the gear shift lever would misshift and switch into other gears that were not selected. Secondly, the transmission would not go into park or reverse properly. To reverse, the contact had to move the lever back and forth. To park, the contact had to select park, shift into another gear, and then shift back into park. The vehicle was taken to webster city auto (129 2nd st, webster city, IA 50595, (515) 832-6638) where it was diagnosed that a new shift assembly needed to be installed. The vehicle was repaired, but the failure recurred soon after. The manufacturer was made aware of the failure and did not assist. The failure mileage was 20,200. The VIN was invalid.