Get 49 extra cars at one low price! All cars included in the Car Pass grant you a one-time only, free addition of each car to your Forza Horizon 4 garage, with no additional in-game credit cost. The Forza Horizon 4 Car Pass is included with Forza Horizon 4 Deluxe and Ultimate Editions and the Ultimate Add-Ons Bundle.

Go to https://www.xbox.com Login to your account Hover over your account link (the top right of the screen) a menu will appear, click on the "Redeem Code" button. On the next page, click "Redeem" Enter your code Click "Confirm" Click "Confirm" again to assign the key to your account.