This is for the C-best or LPS (lexus personal settings) for 97 to present cars.
They can only be set using a lexus scan tool at the dealer.
If your dealer is nice they will do it for free when asked.
Others have said they will only set it once and never again for free which i find dumb since you cannot control them yourself.
So enjoy what your car may or may not be abel to do.

pdf file for cbest option on a RX330