Not sure I understand what feature you're speaking of... can't find anything in the manual about "smart key" there is the "smart entry" that is not available on all models.Can you take the door handles from a 2018+ accord that have smart key and put it on a 2.0t sport because the sport 2.0t doesn't have it
Noare you talking about the rear doors because they don't have the auto unlock feature when you just grab them like the fronts?