Poor service delivery

Good day i must say im super dissapointed at the moment in toyota after all the cars we have bought from them and now struggeling with one the keeps on giving pre collishion warnings on the dash after we had the car at toyota dealerships numerous times and now they simply dont do anything its been more than two weeks since we had the rav4 at the dealership thats poor service seriously you toyota are quick to get the money but after sales service regarding problem are **** and i dont want this car if you toyota cant fix it