Lexus 2008 car; I just bought a new battery thinking it needed it, died out while driving it. It is button start. Everything else works fine: horn, windows, unlocks. It doesn’t even click over, no sound.

  • Is the new battery fully charged?
    – jwh20
    Nov 9, 2021 at 20:03
  • 1
    Welcome to Motor Vehicle Maintenance & Repair! Are there any weird dash light indicators showing, like something green resembling a key? Might be blinking? Nov 9, 2021 at 21:11

1 Answer 1


Some car manufacturers apply safety mesures when car computers run out of power. Here explains how to reset ECU and other electronic units when the battery is replaced.

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