The contact owns a 2023 Jeep Compass. The contact stated that the message to service the START/STOP system was displayed. The contact stated while driving 25 MPH, the emergency brake activated independently. The contact had to press the START button again for the vehicle to move. The contact stated that there was an A within a circle around displayed, indicating that the START/STOP system warning light was illuminated. The vehicle was taken to the local dealer where it was determined that the battery needed to be replaced. The battery was replaced but the failure recurred. The manufacturer was contacted and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 57,000.