Tesla MODEL 3 2022 Owner's Manual page 209

Jump Starting the Low Voltage (Lithium-
Ion) Battery
1. Open the hood (see Opening Hood with No Power on
page 17).
2. Remove the maintenance panel by pulling it upwards
to release the trim clips that hold it in place.
3. Remove the red cover and connect the external low
voltage power supply's red positive (+) cable to the
red positive (+) jump post.
CAUTION: To avoid damaging the vehicle, do
not allow the positive cable to contact other
metal components.
4. Connect the external low voltage power supply's
black negative (-) cable to the bolt located between
the brake fluid reservoir and the front trunk. The bolt
is used as a grounding location for the external
support.
Roadside Assistance
Instructions for Transporters
5. Turn on the external power supply (refer to the
manufacturer's instructions) for 20-30 seconds.
CAUTION: If you leave the power supply on for
longer than 30 seconds, the low voltage battery
may not self-recover and the vehicle might not
be able to shift into Drive. Disconnect the
power supply and the low voltage battery to
enable another battery self-recovery attempt.
NOTE: If attempting to activate Transport Mode (to
winch the vehicle onto a flatbed truck), the low
voltage battery is not required to self-recover. Leave
the power supply connected continuously until the
vehicle has been secured.
6. Open the driver door and wait two minutes.
7. Ensure the vehicle is able to shift into Drive.
8. Replace the maintenance panel by placing it back in
its original location and pressing down until it is
secure.
9. Close the hood.
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