CarFax accident info. question

I've noticed TV ads for CarFax claiming that one can find out whether a
vehicle has been involved in an accident.

Where do they get this info? Police reports? Insurance co. records?
Repairer's records?

Perce

 

Some or all of the above. They make it sound as if CarFax info on any
given car is infallible, which it is not. I proved that to myself by
Carfaxing a car our family had owned since new (and still owned). There
were all sorts of amusing and completely false "data" about my car, but
stuff that should've been on there...wasn't. Often, ownership transfers
and other state-controlled functions (sometimes including safety and/or
emission tests) show up on Carfax. Accidents, floods, etc. do NOT reliably
show up in Carfax; there's no means by which for them to do so.

Carfax isn't all they'd like you to believe it is.

 

It comes from insurance records. However insurance companies do not always
share that info with anyone. So it is really a worthless report.

 

CarFax is especially worthless. I"ve done the same thing as Dan and found
only AutoCheck.com to be worth anything.
Larry