Why is there no power to anything in the car?


Asked by Guru96KL3 Mar 26, 2020 at 06:56 PM about the 2012 Kia Optima EX Turbo

Question type: Maintenance & Repair

2012 Kia Optima was working fine when I went into the store. When I came out
there was no electrical working at all. No locks, display, nothing. Changed out
the battery and still nothing. Connections look good. No indication prior that
there was anything wrong.

2 Answers


Look for a large MAXI style fuse in the underhood fuse box. Probably stamped 100 on the top. This will be the main fuse for the vehicle. If it's blown replace it. If it blows again you have a serious electrical problem that needs professional attention! Hope that helps! Jim


Turns out, it was an issue with the key fob. I tested continuity of power getting to different parts of the engine. I was getting power. Since it was a keyless push to start, problems with the fob will shut the entire car down. Followed the instructions for that in hand book and it fixed the issue. Car started write up. Then had to reprogram the the fob.

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