battery

I took off an vacation parking my Rivian R1T in my apartment parking complex and came back to a completely dead battery. The 12V battery looks to be dead as well completely. The car wouldn't unlock any doors or ports and nothing seems to work at all. It completely drained the full 40% to 0%...

I just saw the news on the updates Tesla made today to Model S and X. The electric drive units seem far more advanced with higher efficiency despite still using same battery pack size (100 KwH) and much more range than before (325 miles in the Model X using 100 KwH battery pack). Is it possible...