I did have to have the 12v battery replaced on my 2018 Model 3, but I think they've now transitioned to Lithium-ion 12v batteries on the newer cars, so I'm not

I did have to have the 12v battery replaced on my 2018 Model 3, but I think they've now transitioned to Lithium-ion 12v batteries on the newer cars, so I'm not sure if that'll be an expected maintenance item much longer.