Propflux01
$100 Site Donor 2025
Oh, well, in that case…."What is a shifter button?" asks the man with a manual transmission.
Along those lines, I did discover an easter egg / undocumented feature. On cold starts the engine instantly revs up to 2000 RPM. I suppose this is done to quickly heat up the cats for emissions but it seems bad for engine wear & longevity. If you put it (the manual transmission) in reverse before starting the engine, it doesn't do that, but only revs just over 1000 RPM.
I discovered this because the '95 RX-7 that I owned a long time ago had the same issue, and the same workaround. Looks like Mazda has been consistent over the years.

I bet it’s some kinda safety thing so you don’t go busting through the garage door in the morning!