Those called warranty company are one of the best scams you can ever finf out there.
I had to pay for a two year "coverage" by guardian warrany (stay away from this one)in order to get the VX.
The dealer actually force me to pay for that crap $ 1500 but after researching about this kind of warranty i find out the dealer was charging me over $ 600 which i got off the the full price.
I had to file a claim with the DMV & consumer report agency,the DMV threat the dealer to suspend its license if reimburse was not complete at the time of delivery.
When my VX was at the shop because of the valve tapping I requested a warranty inspector as recommended by the mech & those suckers deny the request saying that they don't send any if no damage were found by the shop.
Once you file a claim the warranty will call you back saying that the car must be diagnosticated at the shop at your expense,thereafter they'll determine,at their sole discretion if the damage is covered by the policy you pay for,even though the damage is coveraded by the policy they'll deny any payment for A or B reason they find to avoid the payment.
Another nasty habit these so called warranty companies does is to only cover for labor up to 80% the rest of the balance must be paid by you beside the choosen deductible.
I did a research about these business & came across with disturbing findings which I'll try to share with you guys later