The Tesla Christmas Light Show

Your Tesla already has a holiday show built in, and so does every other Tesla on the street. It is the same performance to the same track, year after year. A custom show is the one where the car dances to a song you chose. Here is how to have one running before December, and the small number of things that actually go wrong.

What a custom Christmas show actually is

Two files in a folder. A .fseq file, which is the choreography, a brightness value for every light on the car for every frame of the song. And your own copy of the audio. They sit together in a folder called LightShow on a USB drive, they share a filename, and the car plays them in step.

You bring the music. We build and distribute the light pattern, never the audio, so the song stays your legally owned copy.

Pick the song first

Christmas songs suit this format unusually well. Carols are built on clear, marked beats, and the well-known ones give you a structure the whole street recognises within two bars. Anything with a strong pulse and a build reads well on a car.

There are 16 Christmas shows ready to go in the library, each of them previewable in 3D on your exact model before you commit to anything:

• All I Want for Christmas Is You
• Wizards in Winter
• Carol of the Bells
• Run Rudolph Run
• Jingle Bell Rock
• Last Christmas
• See all 16 Christmas shows

Or build one from any song you like. Upload the track, pick your model, and the engine choreographs the lights to its beats.

Getting it onto the car

1. Add the show to your library and export the .fseq built for your model.
2. Put your own copy of the song beside it, with the same filename.
3. Both files go in a top-level folder named exactly LightShow on a drive formatted exFAT.
4. Plug in, then open Toybox → Light Show.

If the popup says Light Show rather than Custom Light Show, the car did not accept the drive and it is a format, folder or filename problem. The USB drive guide walks the whole checklist. In Chrome or Edge the builder can write the stick for you instead, song included.

A whole driveway of them

The version people film is several cars at once. Up to eight Teslas can run one song together, each car taking its own part, and they hold together because every Tesla sets its clock from the same network time source. You agree a start time, everyone taps at once, and the street gets an orchestra. See the multi-car guide for how the parts are divided and how much room to leave between cars.

Three practical things

• Point the car at the audience. Most of the choreography lives in the front lights, so a car facing the street reads far better than one parked side-on.
• Keep it short. The shows people rewatch run one to three minutes. A full-length track outstays its welcome.
• Test it once, indoors, in daylight. You are checking that the car finds the drive at all. The spectacle you already know works.

Common questions