The contact owns a 2022 Jeep Gladiator. The contact stated while parking the vehicle, the parking brake lever was engaged but failed to function as intended. The contact stated that the vehicle failed to stop and continued rolling forward. The contact stated that the vehicle came to a stop once the gear shifter was shifted into park(P). The contact stated that after the first failure, the vehicle was taken to a dealer where it was diagnosed that the parking brake had failed and needed to be replaced. The vehicle was repaired; however, unknown parts were replaced. The failure reoccurred the third time and the dealer refused to repair the vehicle and stated that the failure was due to the operators error. The manufacturer was made aware of the failure. The failure mileage was approximately 15,711.