Looking at the list of required parts, it seems that Tesla will replace the liftgate lamp double-ended stud gaskets and the liftgate lamp connector gaskets, as well as using some Loctite hybrid polymer and sealant to prevent further leaks.
Tesla has officially added made-in-China (MIC) Model 3 and Model Y vehicles to its Canadian inventory, confirming the American EV maker has shipped vehicles from its Shanghai Gigafactory to North America.