I found the same car, cheaper, elsewhere. Tried to fill out the 'best rate claim form'
Here
https://www.avis.com/en/products-and...ate-claim-form

but I got the error

We are sorry, the site has not properly responded to your request. Please try again. If the problem persists, please Contact Us .<0999> Reference Number <xxxx-UN-1719248229372-39429-cwdc>

Kind of annoying,

Is there some other way to submit it? Seems like it could be designed to annoy you enough that you give up.