Seriel Key Flightsim X I Have Lost The Key For Project R Alloy Wheels And Need To Take Them Of For A Brake Service Etc..?

I have lost the key for project r alloy wheels and need to take them of for a brake service etc..? - seriel key flightsim x

I must take the alloy wheels, but they are a kind of key, and I think he needs to send the serial number of delegates to get the key, but can not find where to do, and I can not find the number i dont think Seriel

Here is the information inside the wheel are

15xjj
(C) 786
a maximum load of 1580 pounds.

are projects that I alloy wheels corsa vuxhall s Rege please, please HELP HELP HELP!