Caution: The Model 3 is unable to jump start another vehicle. It is possible that this will cause harm.
Note: If you want to jump start your Model 3 with another vehicle, follow the manufacturer's instructions. The instructions below imply the use of an external 12V power supply (example, a portable jump starter).
Caution: When you jump start Tesla Model 3, avoid short circuits. The car can be damaged by connecting wires to the wrong terminals, contacting leads together, and so on.
Open the hood.
- Pull the maintenance panel upwards to free the trim clips that are holding it in place.
- Pull the cabin intake trim panel upwards to free the trim clips that are holding it in place.
- Connect the red positive (+) line from the 12V power supply to the red positive (+) connector on the 12V battery.
Caution: Allowing the positive cable to come into contact with other metal components, such as the battery tie-down bracket, will cause damage to the Model 3.
- Connect the black negative (-) line from the 12V power supply to the black negative (-) terminal on the 12V battery.
- Turn on the external power supply (as directed by the manufacturer). To turn it on, touch the touchscreen.
- Note: It can take a few minutes to get power to activate the touchscreen.
- Disconnect both cables from the terminals on the 12V battery, starting with the black negative (-) cable, when external 12V power is no longer required.
- Replace the cabin intake trim panel by reinstalling it in its original spot and securing it with a firm push.
- Place the maintenance panel back in its original location and fasten it by pressing down until it is secure.
- Push down the hood to close.
Tesla, Inc. was not involved in the development of this document and did not provide any input or otherwise edit, review or authorize it.