Amazon link
https://amzn.to/3XYpBfU multi tester
https://amzn.to/4iYF7ll NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter
2006-2011 Hyundai Azera Close all doors and the trunk, disconnect the negative side of the battery, and connect multi meter to see if you have any drain . It should be around 30 to 50 mm amps.if the current is more than that, try to disconnect the fuse one by one . Our car had drained from the BCM. The right way to replace the trouble is to replace the BCM. We didn't do that. We did install a relay to isolate the 12 volt from the battery and worked. By doing this, you will lose keyless entry
How to remove the door panel
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