Tesla Model 3: Battery - 12V (Remove and Replace)

Remove
- Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
- Remove the rear underhood apron. See
Underhood Apron - Rear (Remove and Replace).
- Remove the cabin intake duct. See
Duct - Cabin Intake (Remove and Replace).
- Disconnect 12V power. See
12V Power (Disconnect and Connect).
- Remove the cover for the 12V positive terminal.

- Loosen the nut that attaches the positive lead to the battery, and then
remove the lead from the battery.
Torque 6 Nm
- Remove the 12V battery strap. See
Strap - 12V Battery (Remove and Replace).

- Disconnect the hose from the LH side of the battery, and then remove the
battery from the vehicle

Install
Installation procedure is the reverse of removal, except for the following:
Caution:
Before installing the new battery, make sure that the new battery's
Open Circuit Voltage (OCV) is above 12.6V. If the OCV is between 12.4V and
12.6V, recharge the new battery. Any battery below 12.4V must be discarded.
READ NEXT:
Remove
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the rear underhood apron. See
Underhood Apron - Rear (Remove and Replace).
Remove
Beam - 12V Battery (RWD) - Remove
Remove
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the rear underhood apron. See
Underhood Apron - R
SEE MORE:
Remove
Open the LH front door.
Move the LH front seat to the lowest and most rearward position.
Clip Locations on Center Console
Clip Locations on Decor Trim
Release the clips (x9) that attach the LH center console decor trim to
the center console, and then remove the decor trim.
Removing the Maintenance Panel
To check fluid levels, remove the maintenance
panel:
Open the hood.
Pull the maintenance panel upward to
release the clips that hold it in place.
If checking the Battery coolant, remove
the cabin intake trim panel by pulling it
upwards to r