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Severe phantom drain OR not? And Proximity Locking Q

aim2023

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D
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Hey folks. So this happened today, concerned by severe battery drain today morning. I have had lose of 6-10 miles lost overnight certain days.

Charge state - 80%
Miles shown - 288 (initially after full charge - after couple of hours unplugged displayed 278 - but still at 80% - can anyone explain this? )
Miles - 248 - loss of 30, car was parked in driveway, unplugged, had temp scheduled to reach 67 - outside temp 35.

2024 Dual Motor Performance R1S.

Question 2 - Proximity Locking. I had set this to "Lock" at home and turned off the "Unlock" at home due to the car being constantly unlocked when a phone is nearby. I mostly park in the driveway except during weekends when the vehicle is being charged in my garage. Now, the "Lock Only" feature at home is missing and I find the car unlocked many times. Though I live in a safe neighborhood (knock on the wood), an unlocked car, especially with R1S handles tilted open is always an unwanted invite. Does anyone have any tips on how to rectify this?

Appreciate the help.

Otherwise, love the vehicle. Had my first service (mobile service) and car has been near perfect in everything I can imagine!
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fxstein

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Similar experience with the lock at home. Have it disabled for the same reason as the car would go on and off all day long whenever my wife or I would go to the fridge or trash in or near the garage or driveway. When parked inside not a big deal, but outside it’s no good to forget to lock it.
your discharge seems heating related. The only way to really see what is going on is to collect the vehicle data. If you have Home Assistant running in your house, turn on the Rivian integration. It will log everything in near realtime and you get to see when the car was asleep, or doing something and how fast it discharges. Doing this for all our EVs.
 

VSG

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Miles shown - 288 (initially after full charge - after couple of hours unplugged displayed 278 - but still at 80% - can anyone explain this? )
Google "battery capacity as a function of temperature".

Which is just one reason why, when talking about overnight loss , using units of "miles" instead of % is misleading.
 

fxstein

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Unfortunately SoC % since firmware .51 is now also very misleading in the first 48-72h of parking. See the threads on firmware or how to analyze with ChatGPT.
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