Perrigo looks what Ismael tells you is true but eye, in the Volksvagen the board tends to spoil and that expensive, so it does not mark but, when this happens with the temperature marker it also occurs with the fuel, the brake whistle is because of a cello of the tail of the servo, that can be sent to repair, but that is not why the pedal will be in the background to the contrary if the serve has problems. Hard, first Czech that you do not have brake liquid leaks on any of the wheels if there is no leakage bleed or purge the system and you will see how the brake is done well,