WAS PULLING INTO A PARKING STALL SLOWLY AND TRUCK WOULD NOT STOP WHEN APPLYING THE BRAKE PEDAL. BRAKE PEDAL WAS VERY HARD TO PRESS AND USED BOTH FEET TO PRESS ON THE PEDAL TO EVENTUALLY MAKE THE TRUCK COME TO A STOP. CAUSED A MINOR (COSMETIC) SCRAPE ON PASSENGER SIDE FRONT BUMPER (SCRAPED CONCRETE WALL) DUE TO THE INABILITY TO STOP WHEN BRAKE WERE BEING PRESSED.