The contact owns a 2024 Cadillac Lyriq. The contact stated that while driving under 35 MPH on several occasions, the brakes were independently activated. The TPMS warning light was illuminated intermittently. Additionally, the front passengers side tire was flat. The vehicle was taken to a dealer where it was diagnosed and determined that an undisclosed system software needed to be updated. The vehicle was repaired but the failure persisted. The manufacturer was notified of the failure. The failure mileage was approximately 7,000.