Maintenance Minder will remind you yearly of ED service due - other (451 ED) experiences shared . . .
https://pluginamerica.org/ask-ev-expert-electric-car-maintenance/
https://www.smartcarofamerica.com/forums/f170/smart-ed-maintenance-49649/
https://www.smartcarofamerica.com/forums/f170/took-my-smart-ed-service-149017/
"Service" can include battery check, cabin filter replacement, desiccant cartridge replacement (bi-annual), brake flush, key fob batteries, tire/brake/fluid check etc.
https://pluginamerica.org/ask-ev-expert-electric-car-maintenance/
https://www.smartcarofamerica.com/forums/f170/smart-ed-maintenance-49649/
https://www.smartcarofamerica.com/forums/f170/took-my-smart-ed-service-149017/
"Service" can include battery check, cabin filter replacement, desiccant cartridge replacement (bi-annual), brake flush, key fob batteries, tire/brake/fluid check etc.