12-Volt Battery Replacement – Tesla Model 3

Although this video may provide you with the basic procedures for replacing the 12-volt battery in this Tesla Model 3, we recommend that you check with the vehicle manufacture’s step by step instructions found in service/repair manuals for the vehicle you are working on because some year/model procedures may be different than the vehicle in this video. This vehicle does not require battery registration (“coding”).

The use of a memory saving procedure will keep the vehicle’s computers memory’s alive during the battery replacement procedure. Referring to our Memory Saving video will provide you with various memory saving procedures that can be used according to vehicle manufacturer’s requirements.

Some late model vehicles must have the 12 volt battery registered with the vehicle’s Battery Control Module or Computer after replacement. See these videos on Battery registration and coding for more details on the procedures at &

Always wear safety glasses and gloves when working with or near batteries.