Question about underhood wiring

I just recently bought my 2013 v 3. The car had the original 12v battery, so I replaced it today rather than waiting for it to fail at an inopportune time. While I was connecting a 12v power supply to the jumper connection in the fuse box (to maintain the voltage while I changed the battery), I noticed a broken or cut wire in the bundle next to the fuse box.

I was surprised to see these tiny wires out in the open unprotected, and not covered by a plastic shroud on the end of the wire bundle. There's another area that's the same way.

Is that normal, or does my car have parts missing?

(The "power" mode on the car doesn't work- I'm thinking maybe it's the cut green wire. Fortunately the car has Certified warranty, so it will get fixed free regardless.)
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Thanks!

I just stepped back in from repairing the cut wire, and as you say, that fixed my non-working Power mode switch.

 

Maybe mice. If you look at the gray connector latch next to the cut wire, it looks a bit nibbled.

 

Thanks, I will definitely order that! (I can't believe they didn't include that on these cars.)

Is there also one for the other unprotected connector?
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Great, thanks.