Mystery connector / device under trunk area?

[mountainthings]

Anyone know what this thing is under the trunk area?
2015 limited with third row seats. From what I've seen, not all third row trucks have it. Thanks!

 

[2021nightshade4x4]

Don’t know but I’m grateful for any 12V prewires I can get!


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[mountainthings]

Figured it out, keyless entry antenna. Weird.

2010-2021 Toyota Receiver 899A0-60020 | Toyota Parts Center