Originally Posted by
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and their exact reply was...
If you arrive on time and do not take the vehicle, the contract will be
voided and the authorization on your card released.
I arrived on time, headed straight for the train, and hopped aboard.
You did not arrive on time, you went straight to the train. The info you received seems to indicate that if you do not cancel online you need to arrive
at the rental facility on time and then decline to take the vehicle.