Toyota is a massive company and sells millions of vehicles annually. During the global semiconductor crisis, it was limited in the number of microprocessors it could buy from suppliers, so to avoid having to limit production it supplied new cars with just the one key from October 2022 to July 2023.

The supply issue has now eased and the company is catching up with supply of spare keys to customers via a Field Service Action, which began in August 2023. Most customers are given their spare key when the car goes in for its annual service but because Toyota still needs to supply over 10 million new keys globally it will take a few months before they can all be united with their owners. It's an ongoing situation that Toyota says it is dealing with as quickly as it can, so hopefully you'll have the spare key for your C-HR soon.