Warranty claim denied

I signed up for King Price insurance's warranty insurance. They assured me that the electrical and mechanical issues are covered. After a year with the policy, I sent my car to the manufacturer because I couldn't get it to start and they found that the crank sensor and V belt were broken. King Price denied my claim on the grounds that they do not cover certain parts. They don't even specify which component is covered in their policy paper. Only after you make a claim will you learn. The employees in their claims department are extremely unpleasant and disrespectful, acting as though they are telling you that your claim has been denied as a favor.