Tesla 3 2018 Owner's Manual page 146

Instructions for Transporters
7. When external 12V power is no longer
required, disconnect both cables from the
terminals on the 12V battery, beginning
with the black negative (-) cable.
8. Replace the cabin intake trim panel by
placing it back in its original location and
pressing down until it is secure.
9. Replace the maintenance panel by placing
it back in its original location and pressing
down until it is secure.
10. Close the hood.
144 Model 3 Owner's Manual