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Over the air updates

Discussion in 'Tech Talk' started by Van Shrider, Apr 9, 2016.

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  1. Van Shrider

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    I'd like to know more about the Over the air updates. Can current Tesla owners fill the rest of us in on how they work?

    Do they just upload randomly, and install randomly? Or is there more to it than that?

    I know that OTA updates do not require wifi connection to your home, but does it work any better if you do?

    Do you input your home Wifi password, and it updates at night when you are sleeping?

    Do you set any type of preferences for this?

    I'm hopeful that it doesn't randomly update while your driving and at least waits for you to park???

    If the install of update is somehow interrupted making it corrupted, can you roll it back, reload it??
     
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    • TrevP

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      Updates are sent over the air by Tesla in waves around the world to the entire fleet.

      You get notification of a update and you can install it right then and there or schedule it for a particular time. The updates require the car to be parked and stationary. They take anywhere for half an hour to 2 hours depending on the nature. There have been a number of updates lately that seem navigation related and those don't appear to need a reboot of the system. It's really well done.

      You can certainly have to car connect to a nearby wifi network for faster downloads but all cars sold for some time have LTE connections.
       
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      • AEDennis

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        Additionally, even though Elon has mentioned that people that connect their vehicles via Wi-Fi will be prioritized over those that are only over a mobile connection, I haven't actually seen any change when I did connect to Wi-Fi versus running mobile.

        Furthermore, the cars initially shipped with 3G and now with LTE, however, Tesla doesn't necessarily have LTE agreements in some countries. Legacy vehicle owners can also pay $500 (for Model S) to upgrade their connection from 3G to LTE.

        Lastly, if your car is in the service center, they can and often do update cars to the latest FW manually if it is in and your FW is out of date.
         
      • AEDennis

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        And just like that... (a few hours later) I got notice that a Software update is available for my Model S...

        I took a picture for you.

        [​IMG]IMG_0653 by Dennis Pascual, on Flickr
         
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        • teslaliving

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          When the notice pops up you can install immediately, but you have to be parked. You can also schedule it for a certain time of the day (wont happen unless car is parked). You can't automatically have it download and install on its own. You have to take an active action to install it once you get the notice.

          Once the update starts you can't stop it and the car makes all sorts of sounds etc as it runs through self tests etc.

          There are 3 flavors of updates:
          1) Major, i.e. Version 7
          2) Minor, i.e. Version 7.1
          3) Patch/Build

          Release notes are generally only updated for the first two.

          The release notes are available inside the car by pressing the Tesla logo on the touchscreen display. The ones in MyTesla on Teslamotors.com are usually way out of date.
           
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          • Mike

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            So, to confirm, I don't need a smart phone plan to have over the air updates. They happen transparent to my personal cel phone and/or wireless internet setup. Is this correct?
             
          • teslaliving

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            Correct, the car comes with built in internet connectivity which so far has been free for life. All the updates, maps, internet radio etc all goes over that. You don't even need to own a phone to enjoy Tesla.

            The phone adds one big thing though, which is the control you can do through the phone like keyless driving, remote unlock, start your A/C early etc.
             
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            • Mike

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              Thanks. Sounds pretty slick. I'm a product of the vacuum tube era and don't own a smart phone......yet
               
            • teslaliving

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            • Mike

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              This looks like stuff my wife's sons can sink their teeth into when the time comes. Thanks.

              I see you also have a solar array at home. As you can see by my avatar, so do I. 6 years old this week. 30 panels with Enphase micro inverters making about 1.2 mega watt hours a year more than we use.

              So at 200 watts a km, I figure I could drive my Model 3 about 6000 kms before relying on remote generation.
               
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              • teslaliving

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                Nice, I've got a @SolarCity system, 69 panels. About 14 months old. 22,381.5 kWh produced so far.

                Lifetime use on the Tesla (@61K miles) is 16,193 kWh but i've had it twice as long as the panels
                 
              • Mike

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                Awesome. We are at 46,500 +/- kWh produced in 60 months.
                Just some back of the napkin math. That's 100,000ish kms. So, 16.193 kWh per 100 km or 161 watts per km (hope my math is right). That sounds like you must drive in an energy efficient manner as I (anecdotally) expect a Model S to run at about 200 watts per km. Any advice, besides avoiding excessive speeds and jackrabbit starts and running the HVAC in winter on "roast" ;) Cheers.
                 
              • teslaliving

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                I get 307 Wh/mile, so 191 Wh/km. Im on the lower end of the owner range (non performance car, don't push it most of the time). I think the Model 3 will be even lower.

                The starts aren't the problem. Cold weather is the worst, then highways, then elevation.
                 
              • Mike

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                Thanks for the great info, really appreciate it.
                My situation, the car will live in my garage, kept at a minimum of 10C (radiant heat) during winter months. Is it a cold battery pack or HVAC use that is the largest issue, cold weather wise? Cheers
                 
              • teslaliving

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                Mine is garaged when i'm home all the time. No heat in the garage and it gets cold but it is sheltered from the elements. Heat in the garage would help with the base pack temp.

                Definitely a cold pack doesnt help, but also cold weather even with a warm pack really impacts range. You could have a totally warm pack and still take a 20-30% hit on range you'd get in the summer.
                 
              • Mike

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                Ok, excellent data point. I sense my first winter with M3 on highway trips will include how low can I set the HVAC down to, wear a sweater and be smart about using the terrain as a help to range, not a hindrance. Thanks Cheers
                 
              • teslaliving

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                Yeah I keep mine in range mode all the time (all but 1 day this winter) and we get down to below 0F here. Seat heaters help a lot. I keep the temp at 66. So it depends on how much you want to freeze. I dont have heated steering wheel (wasnt available when I got my car with cold weather package) so thats the worst exposed part -- I hate to drive with gloves.
                 
              • MelindaV

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                @teslaliving - at about what exterior temp do you start to notice the battery % drop? 50°F? 40°F?

                OT - when Hollywood Video was around and building video stores, I was part of their architecture group and traveling around the country visiting construction sites. I remember being in VT and CT one January (sub freezing) with a AA floppy disk camera that you could take about 4 photos before you had to put it in your coat to warm it up before you could take the next four. haha. It was probably the coldest I have EVER been ;)
                 
              • garsh

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                I have a Nissan Leaf. In the winter, I keep the heat off (because it uses too much juice). I've installed a switch to keep it off while directing air at the windshield to keep the windows from fogging or frosting. I wear a heavy coat, hat, and gloves. I use the seat and steering wheel heaters. It's been fine even on the coldest days. The seat & steering wheel heaters help a lot, and they don't use too much electricity.
                 
              • Mike

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                All good info, much thanks. I'll definitely get the heated steering wheel.

                I drive my Prius (in winter) with the HVAC at its lowest setting of 18C and lowest fan speed directed at the windscreen. I installed heated seats within a month of purchase and drive with them on the high setting.
                 

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