Course Slope Ratings

How up to date are Garmin's Course Slope Ratings worldwide?

When I begin a round, I have the option to either select a 'Local Handicap' or the 'Index/Slope Method' and since the introduction of WHS, have been using the 'Local' method as I know what my WHS handicap is after being adjusted for my home course. Since WHS was introduced, due to Covid, I haven't played hardly any courses other than my home club, but am hoping that will change this season.

So, if I enter my WHS handicap of 16.2, and then select "Index/Slope Method" will the G80 adjust my handicap allowance based on the course and tee boxes that I am playing from? Of course, this only works if the info Garmin has is correct, and all of their slope indexes are up-to-date.

Also, why do we continually have to input our handicap every time we start a round - surely there should be an option in the settings to input your current WHS handicap and whenever you start a new round, this is pulled through automatically?