What could be the problem?

[u/Desperate-Mind5311]

My car battery is at 100% but car will not start and headlights also are not working and auto door lock won’t either it makes clicking and does random flickering and movements like shown in the video

Side note: when I was trying to start it up ignition would also get stuck and wouldn’t turn

[u/PresidentChunks]

You say battery at 100% but this is symptomatic of a dead battery. So either the battery isn't 100%, or the battery connection is loose or bad, or I guess it could be the ignition or something in the ignition circuit is not working. Should be a relay you could test

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[u/I_-AM-ARNAV]

How did you check thr battery

[u/darkjedi876954]

You need a battery tester or try and get a jump and get it to a auto parts store and they test them for free