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Here's a possibility, what if the 12v battery is weak (and now even weaker due to the cold), and the charging system is constantly have to charge it? Is there an easy way to gauge the health of the 12v battery?

Thanks for sharing that! I'm fully in agreement with occasionally going low and high on the charge levels in order to keep the computer calibrated to the voltage of the pack. High charge equalizes the modules, and low and high voltages calibrate the computer. Laptop and cell phone...

Don't let having 2 plugs deflate your ego (pun intended). Your tires won't last very long anyhow...:p

Looks like a typical patch+plug (mushroom) plug to me. These rarely ever fail assuming it was installed correctly. Agree that if its leaking at the repair site, then they should re-do the repair or replace the tire if they can't repair it right (but ask nicely or they might lose the paperwork...

Precisely!! (in Doc Brown voice) While all cars get better efficiency at city speeds (25-45MPH) vs hwy speeds, ICE cars "waste" that advantage when they slow down or stop (which is why ICE MPG is at its worst in stop and go traffic). Hybrids and EVs use regenerative braking to recapture...

If its a good enough price to be worth the risk, I wouldn't let the buyback scare me off personally. Buybacks can happen for all sorts of reasons beyond something that couldn't be fixed in 3 attempts. It could also be that parts weren't available and the car was out of service long enough to...

Thank you for that, I'll now be thinking of bacon whenever I use my seat heater!! If I find myself stopping at Denny's on my way to work, I'm blaming you ;)

I've seen the percentage being off by a bit on the app quite frequently on mine. It seems the app's percentage doesn't always line up correctly with the car's percentage. Mine was showing 48% the other day at the "50%" mark. Further, if I set my charge to 80% then checked in the car, it was...

LR AWD: I drive 120 miles round trip 4 days a week and I'm having no problem matching or even beating the EPA number. In my case, its not very cold (I'm in SoCal), and I'm in slower moving traffic 50% of the drive, so my speed is limited to 15-30MPH for long stretches. The rest of the time...

Zero problems with my 3 year old Galaxy S8. Works every single time - although one time it did take ~2 seconds for the door to open instead of the nearly-instant open. I also enabled NFC on my phone so I can use the phone on the door pillar for when I want to quickly lock instead of "walk...

And in case no one mentioned it already, Model 3 SR/SR+ maxes out at 32 AMP charging regardless of which UMC or WC you use. The long range can charge at up to 48 AMP.

Electrician time! You sound like a DIYer, as am I, but there's a time to bow out for safety's sake and I'd say this is it. That being said, your dryer working on that circuit is probably not a good test unless you verified you are able to dry clothes with it. Meaning, the electronics and...

"Fan only" Mode! "Fan only" Mode! "Fan only" Mode! To be honest, I've never really liked automatic HVAC all that much, in any car. Mainly because it never knows how I feel. Its great on long trips to easily keep the car at a set temp, but since it has no idea that I just came back from a...

Turn off the "Auto high beams" option in the lighting menu. Its designed to switch automatically between high/full and low as oncoming cars pass, however I've found it doesn't work all that well if there's lights shining back at you (from oncoming cars, or your own lights reflecting back at...

I'm in SoCal also, 120 mile round trip for me, 4 days a week. My lifetime Wh/mi is 233 @ 10,700 miles. I consistently use 40% of my battery each day, including 8 hours of sentry mode. My highest consumption day was shortly after Xmas where I got to drive 80 MPH most of the drive to/from with...

If anyone sees a bumper sticker that says something like "Car is electric, driver has gas" let me know :p

Its a dangerous world out there. Even the very features we create to improve safety, no matter how effective, will occasionally have the opposite effect. There's just too many variables to account for. - Airbags kill people, especially earlier models - Seatbelts trap people in burning cars...

I was planning on getting the Wall Connector after my CA rebate came in, but ended up just keeping my 14-50 setup instead. The gen 2 UMC is plenty fast enough @ 29mph. I also bought a barely used Gen1 UMC (37mph) from the auction site and use it for daily charging so I can keep the original...

Yup, you're on the right track. If the breaker did trip, you'll want to spend time figuring out why it tripped and fix that problem before you trust using that circuit again.

Yes, but a VERY small amount. There's a certain amount of energy needed to run the charger itself and all the various computers/electronics that monitor the charge, communicate with your phone, etc... the faster you charge, the shorter amount of time all these things need to be powered up...

In my case, my 2+ hour drive home is 20 miles of heavy traffic, 20 miles of 80MPH, then 20 miles of heavy traffic. There's really no way to feel good about that. The overwhelming feeling of despair fades over time, and you grow to accept that the commute is terrible. I think it helped me a...

North end of Murrieta (near Menifee border) to Sorrento Valley (120 mile round trip). For most of the last 15 years I was able to work from home 60% of the time, but not anymore. Hence the Tesla purchase.

Totally agree! My wife and I can't wait to leave SoCal. Of course, from what I've read, more and more states are "fed up" with people coming from CA. :( I've been driving a long distance to work for 20 years now, and in that 20 years its gone from 45 min each way to now 1.5 hours there...

I don't know specifically WHY manufacturers allow it, but I can tell you in my 30 years of driving that I have used my headlights on several occasions without the car running or me in it - and I like being able to do that. My real-world examples: - Locking/unlocking a gate/garage - Helping...

This charging rate sounds about right to me, especially if you're out in the cold. I use about 40% of my battery daily (LR AWD) and it takes my 32 amp charger about 4.25 - 4.5 hours to replenish each night, and that's in my garage in southern California (so about 65F or 18C). Plus, I'm using a...

The simple math is that a 5-20 will give you 33% more power than a 5-15. That's a fair jump in power if you must charge from 120v. Using MPH or Kw displays to compare isn't very helpful since there's so much rounding of numbers going on. Charging from a 5-15 will have the car reporting 1 Kw...

I have to admit I'm on the fence on this one. I've been taking them off and putting them back on about once a month trying to decide what I like better. The naked wheels look nicer, but I do a ton of freeway driving and the extra efficiency is much appreciated with them on. One thing I will...

I had planned to get a wall connector and keep my UMC in the car permanently but after a couple months of back and forth i instead chose to buy a gently used Gen 1 UMC (40amp) and use that for my daily charging. It splits the difference between the charge speed of the Gen 2 UMC and the wall...

You're flooring your P3D and watching the SCREEN? What's the matter, scenery outside too blurry? ;)

My guess would be that the GPS wasn't totally sure if you were on the highway or the offramp on the right. I have a similar thing happen to me in the same spot each day on a new road (about 1 year old), where it joins up with where the old road used to be. New road's speed limit is 55, old...

For me, TACC is an absolute must-have on my commute. My drive is 120 miles round-trip on the freeway, and nearly 50% of that is in "slow-and-go", and some "stop-and-go" traffic. Having the car speed up and slow down as needed is worth every penny. I also use auto-steer (don't have FSD) as...

Exactly! in 10+ years, there should be all kinds of remanufactured/recycled/reclaimed options out there that will be good for another 100-200K miles for WAY less than a new OEM unit. In fact, with how quickly battery tech is evolving, it's entirely possible that a replacement pack in 10...

Huh. Well, this has me stumped... My only advice would be to try using another phone to see if you can isolate whether the problem is with your phone or with your car. can you temporarily put the app on your wife's phone and see if it works correctly? Make sure your phone isn't nearby (or...

Just another data point for anyone shopping around: Southern California, 2019 LR AWD no FSD, Tesla driven 25K miles a year. Wife and I are both in our 40's, both with completely clean driving records. Tesla premium is $2050/year with $1000 deductibles. We have 3 other cars on our policy as...

Did you know a Performance model 3 will do the 402.336 meter run in 2.8 seconds with a 2.54cm rollout?

Does your phone work to unlock the car? Does your phone have NFC turned on? (if so, can you use the phone like you would your keycard - touch it to the pillar or center console)? Here's some basic troubleshooting that I would try (I haven't had the problem you're describing though): Reboot...

As others have stated, a really important thing for a new EV owner to understand is that using your heater takes up a lot of power. Unlike a gas car, which "wastes" ~80% of the energy in the gasoline as heat already (which you can pump into your cabin for "free"), an EV has to intentionally use...

I've been hedging my bets when it comes to battery best practices, check back with me in 10 years and we'll compare notes to see if what I'm doing makes any difference whatsoever (probably not!) ;) This (no kidding) is what I'm doing Using the "middle" of my battery for M-F commuting. I use...

Definitely have all of your concerned looked at by the service center, that's what they do. For the frunk, try more of a press-and-hold rather than a "bounce" to get it to close. For the trunk, it sounds like an adjustment is needed. Mine closes pretty easily, and similar to every car I've...

Ahhh! Thanks everyone! I didn't realize the system was good at letting you know it is going to trigger your door. I was just concerned that it would think it's XX feet away and just operate the door, leaving me wondering if my door just opened (or closed) as I drove nearby, or as I'm...

So I'm about to pull the trigger and order my Homelink upgrade. I've got a few questions about auto open/close specific to my situation that I want to hopefully understand better so I know what I'm getting into. Worst case I don't mind just using the homelink manually if need be. 1) I have...

Yes, A/C creates cold coils, those cold coils remove heat from the air, and remove humidity since the moisture will condense on the coils and drip out the bottom of the car. Many (maybe even most) "auto" HVAC systems in cars will run the A/C all the time, regardless of what you want the...

I'd love to see a "Vent only" option as well. I do at least half my driving with my HVAC set at LO and A/C off to get fresh air Unfortunately, every car I've driven over the last 20+ years that has automatic climate control (GM, VW, Toyota, Hyundai, and more) all have the same limitation...

This brings up an interesting question (hopefully someone has scientifically tested it already). What is more efficient on a cold day? Running your heat + A/C (auto setting) to keep things dehumidified, or Running heat only + outside air? One has the A/C and heat "fighting" with each other...

Definitely not my style. Reminds me of an old Norelco razor I had...

I'd like to see a "Mailbox mode" or "Delivery mode" or "Quick Stop", something that tells the car you're getting out of the car for SECONDS, and you don't want everything turned off. Every night I stop at my mailbox near my house. Its dark, its cold (or hot), and I have to temporarily park...

Tires make all the difference, not just in snow, but anytime the weather is cold. For example, if you have "summer" tires, they'll slip and slide on a completely dry road when its 30 degrees out because the rubber will harden up and lose grip. Do you have (at least) all season's on your M3...