Tesla Model 3 Owners & Service Manuals

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

Tesla Model 3 2017-2025 Service Manual / Electrical / 12V Battery and Fuses / Battery - 12V (Remove and Replace)

Battery - 12V (Remove and Replace)

Remove

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

Battery - 12V (Remove and Replace)

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

Battery - 12V (Remove and Replace)

  1. 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:

     Beam - 12V Battery (Dual Motor) (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

     Beam - 12V Battery (RWD) (Remove and Replace)

     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 - Rear (Remove and Replace). Remove

    SEE MORE:

     Cruising at the Set Speed

    Traffic-Aware Cruise Control maintains your set cruising speed whenever a vehicle is not detected in front of Model 3. When cruising behind a detected vehicle, Traffic-Aware Cruise Control accelerates and decelerates Model 3 as needed to maintain a chosen following distance up to the set speed

     Switch - Back Rest and Cushion Adjust - Driver Seat (Remove and Replace)

    Remove Remove the drivers seat outer side cover. See Cover - Outer Side - Driver Seat (Remove and Install). Carefully release the clips that attach the seat cushion and seat back buttons to the driver seat backrest and cushion adjust switch, and then remove the buttons from the outer

    © 2019-2025 Copyright www.tmodel3.com