Jump Starting the 12V Battery Tesla Model 3

Caution: Model 3 cannot be used to jump start another vehicle. Doing so can result in damage.

Note: If jump starting Model 3 using another vehicle, refer to that vehicle manufacturer's instructions. The following instructions assume an external 12V power supply (such as a portable jump starter) is used.

Caution: Avoid short circuits when jump starting Model 3. Connecting cables to the wrong terminals, touching leads together, etc., can result in damage to Model 3.

  • Open the hood.
  • Remove the maintenance panel by pulling it upwards to release the trim clips that hold it in place.
  • Remove the cabin intake trim panel by pulling it upwards to release the trim clips that hold it in place.
  • Connect the 12V power supply's red positive (+) cable to the red positive (+) terminal on the 12V battery.
    Caution: To avoid damaging Model 3, do not allow the positive cable to contact other metal components, such as the battery tie-down bracket.
  • Connect the 12V power supply's black negative (-) cable to the black negative (-) terminal on the 12V battery.
  • Turn on the external power supply (refer to the manufacturer’s instructions). Touch the touchscreen to wake it up.
    Note: It may take several minutes to receive enough power to wake up the touchscreen.
  • When external 12V power is no longer required, disconnect both cables from the terminals on the 12V battery, beginning with the black negative (-) cable.
  • Replace the cabin intake trim panel by placing it back in its original location and pressing down until it is secure.
  • Replace the maintenance panel by placing it back in its original location and pressing down until it is secure.
  • Close the hood.
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