Are the insurance company not prepared to make you an offer for both the car and the PI? Are the injuries that you are seeking PI for on-going?
Although Vanilla is correct - most insurance companies would rather settle the claim in its entirety thru the fast-track process or leave the whole claim go legal - irritating for you I know, but from their perspective, if the car is settled and then you go legal for PI, they have no leverage,(you have money from yr car loss to tide you over for the time being). PM me if you like, I can give you more advice with more info. Amanda