Many car owners are unaware of what this key is, and you may have been handed one when you purchased your vehicle. This key is fairly prevalent in expensive cars, and if you own one, you almost certainly have one. However you can also get this key with regular cars sometimes. The role of a valet key differs from that of a spare key. We’ll learn what this key is, what it does, and what its advantages are.

Please follow the link below to read more:
https://www.spotdem.com/2021/11/18/what-is-a-valet-key/

I thought the picture of the key u posted above is the emergency key and not a valet key