First name (required) Last name (required) Email address (required) Postcode (optional) Get the newsletterCar finance claims management companiesAn email offering help with car finance claimsWhich? has seen dodgy ads for car finance claims services landing in inboxes, doorsteps and appearing in social media feeds. What to do if you've already used a claims management companyIf you have already agreed to use a claims management company and you no longer wish to, you can cancel. How to claim car finance compensation yourself (and for free!) First, you should check to see if you could be eligible for the car finance compensation.