The car is a rental + it has a full warranty + you do not plan to buy it at any time ,  and if the car drives normally .......

Is the hassle  of fighting a complicated case worth it ? 

Just drive it like a rental and dont' worry ,  all is covered 

 

As to the squeeking brakes, it does happen on ' sports' brakes , specially if they have been used on then track and then only on the road with soft braking  .  You need to do some VERY STRONG braking a few times .  Go to at least  100 km/h and do emergency stops a few times . This will clean the pads . 

 


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 964 Carrera 4 --  997.2 C2S , -20mm --  991 GT3 RS