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Way too complicated and unnecessary for most locations and most drivers on most days that are not holiday weekends. Even in the LA area, the map posted above showed every supercharger location had open stalls. Also most people don't use trip planner unless they're making an unfamiliar drive, so it wouldn't capture the locals who are probably the majority of the users. I'd rather Tesla focus it's limited resources elsewhere.This is a good first step.
We need more though to make this really useful.
What drivers really need is information on how many USABLE charging spots are available, and if all spots are full, how long the wait might be.
Even with charging spot sensors, that doesn't provide enough information for Tesla to determine which spots are actually usable. Spots that may have a problem with the charger (such as a damaged cable) will show open, when they aren't usable. Spots that have cars parked and not connected aren't detected. And spots which are inaccessible because access is blocked (such as by construction equipment) also aren't detected.
Rather than trying to add enough sensors to detect this, Tesla could "crowd-source" this by providing an easy way for drivers to report unusable parking spots. Perhaps a feature added to the charging window on the center console or in the smartphone app, the ability for drivers to report an unusable spot and why - such as "charger 1B is blocked by parked vehicle". And then if the charger shows up as running, Tesla can automatically clear the unusable condition for that charger.
The other feature that should be added - when all USABLE spots are busy, Tesla can indicate how many cars are in the proximity of the supercharger and provide that count, such as "all usable chargers in use and 5 additional cars may be waiting". Though, Tesla may even be able to add one more data item "with 10 cars projected to arrive before you", since Tesla can use the trip planner routing data to detect how many cars are on their way to that supercharger, and when they will likely arrive.
I'd rather Tesla focus it's limited resources elsewhere
I am guessing the data is only a certain radius (superchargers you might be close to actually using).
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I believe it only works for locations within driving range.
Out of driving range site are displayed also, but they are 'greyed' out and more difficult to see on the display.
This very useful new feature is just in its early stages and no doubt will be improved upon and made more accurate over time, like all Tesla software. Right now it seems difficult to determine the criteria used for which Supercharger locations show the status bar and which do not. But it does seem that any location you could in theory drive to with a full charge have the status bar displayed.Some are, and some aren't. I have most of the northeast greyed out but with statuses, but nothing south of Virginia.
This very useful new feature is just in its early stages and no doubt will be improved upon and made more accurate over time, like all Tesla software. Right now it seems difficult to determine the criteria used for which Supercharger locations show the status bar and which do not. But it does seem that any location you could in theory drive to with a full charge have the status bar displayed.
One can imagine many ways to enhance this new feature. It will be interesting to see how it develops. But thank you Tesla for implementing this!
Given the high number of complaints posted on multiple TMC threads over the past few years regarding why some version of this new feature had not been implemented yet, I am surprised that this thread is not getting more views and posts than it is.