My learning from this is to…
My learning from this is to add a clause to the contact for at least a 7 day period for returns otherwise no deal.
Subarus are great vehicles generally, but buying used not knowing the history of the car is a crapshoot, and this could happen to anyone.
Out of habit I keep checking car fluids etc every few weeks, and keep an eye on oil spills in the garage, and everywhere I park.
That being said, not everyone is paranoid about this stuff and we should not be if there's trust in society.
I believe in "trust but verify", and this is one of the reasons that I buy a vehicle and keep it till it dies. I won't sell my 2000 car because of all the issues I know and live with, but refuse to pass it on despite some young folks interested in buying it (got at least 3 unsolicited requests).
I hate to say this not being familiar with the details of the case, but a dealer should do whatever necessary to accommodate concerns for at least a month. This should be a law.
Dealers have way more protection than buyers. Not cool.