Brake Disc Pads problems of the 2019 Ford Ranger

2019 Ford Ranger purchased, noticed slight pulsation when stopping highway or city. Continued to get worse to a point where I became afraid to drive it because twice on heavy braking pulsation was sever and I was afraid was not going to stop. Situation was worse more truck was driven. Notified service advisor of issue and that I had been really careful but then I notified him again and advised I was fearful of driving vehicle especially on wet road. Took picture of left rear rotor thru wheel holes and found black spots in rotor. Took truck in on March 19th, service advisor called and said the mechanic was going to have all four rotors turned. I told him that was unacceptable, the rotors and brakes need to be replaced. The situation was escalated to Ford motor company, today March 26th the service advisor called and left message they were replacing rear rotors. Have not been able to reach them back because I feel they need to also replace brake pads, for a proper mating process. He never mentioned front rotors agin as in previous dicussion. I orivinally advised them they should replace all rotors and brake pads. Them tellong me they were going to turn all rotors makes me think that all the rotors are warped. Also rear seat upper portion when released to downward position, is very hard to relock in upper position, which if not locked to cause seatbelted passengers nd seat itself to fly forward in a frontal crash.