Automatic transmission service 2010 mx-5?

All you do is change the transmission fluid and filter. Never flush a transmission as it will cause problems.

I run mine (6sp Aisin) on synth ATF just because of an added supercharger. The problem is that this autobox runs on the hgot side, so I added a parallel ATF cooler to drop 20F. I'd suggest draining and refilling every few years, even though heat-stressing of the internal seals may not be affected by cleanliness. It's a nice tranny...but so damned hot....