The contact owns a 2019 Ford F-150. The contact stated that there was water inside the driver’s side rear taillight, causing a malfunction of the rear brake lights. The contact stated that the brake lights were flickering. Additionally, the heater, radio, and the defroster were inoperable. The front windows also failed to roll down as needed. The air bag warning light was illuminated. The vehicle was taken to an independent mechanic who determined that the taillight module had malfunctioned due to the water. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was contacted and filed a claim. The failure mileage was approximately 134,000.