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A Guide to Tesla Model S Long Term Parking

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One of the many joys that new Tesla owners may come across are situations where they’ll need to leave the vehicle parked for a prolonged period of time and at a location that doesn’t have a charger. The natural thought is, what will this do to the battery?  I inevitably came across this same situation recently and wanted to take this opportunity to share my experiences around it.

“Tesla approved” Spot

Tesla Model S Long Term ParkingMy first mission in any parking lot is to find a “Tesla approved” parking spot. That’s a spot large enough to fit the Model S but also minimize the chance that neighboring cars  will leave me with unwanted door dings. This is especially the case when driving through a busy city like Boston where space comes at a premium.

RELATED >>> S in the City: Model S Owner Experience in the Big City

If I can find a parking space that’s adjoined to a curb on one side, it’s a bonus — I get close enough to the curb (without scraping it!) to maximize the distance to the next space and minimize ding chances.

If I’m making my way to an airport, I know to avoid the busy short term parking garages where the hustle and bustle of pick-up and drop-off traffic is just enough for me to not want to be there. Instead I head towards the long term economy lot where my chances of any unwanted run-ins with other cars is at a minimum. There I look for my “Tesla approved” spot between two already parked cars. There’s a good chance that I’ll come and go before the other cars in the long term lot. Some parking lots also rotate parking locations for new entrants which further reduces the risk of having a new incoming car park next to me.

Minimize Vampire Drain

While Tesla has made some really great firmware improvements to address the dreaded vampire drain, there is still some battery loss when the car is not in use. Even when the car is off and stowed away for long term parking the Model S battery will still discharge albeit at a slower rate as it continues to provide power to the onboard electronics.

You can help minimize battery discharge by enabling “Energy Saving” under the “Power Management” settings on your Model S.  I was able to quantify some of this loss which I’ll describe later in the post.

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Energy Saving Enabled for Tesla Model S Long Term Parking

Battery Discharge Notes via Tesla Motors

From the user manual, Tesla says this:

Even when Model S is not being driven, its Battery discharges very slowly to power the onboard electronics. On average, the Battery discharges at a rate of 1% per day. Situations can arise in which you must leave Model S unplugged for an extended period of time (for example, at an airport when traveling). In these situations, keep the 1% in mind to ensure that you leave the Battery with a sufficient charge level. For example, over a two week period (14 days), the Battery discharges by approximately 14%.

However based on my experiences “Tesla math” when it comes to range is often optimistic and not necessarily what you’ll see in the real world.

Real World Experience

Vampire Drain LossI took a short business trip to Las Vegas recently which required me to leave my Model S in long term parking for a couple of days.

It was 11 degrees fahrenheit out when I parked and I had 186 miles of rated range left (71%). When I returned my Model S reported 172 miles of rated range left (65%).

I lost 14 rated miles over the 2.6 days at an average temperature of 16 degrees fahrenheit. So I lost an average of 2.3% rated range per day which is quite a bit higher than the manual indicates. This wasn’t long enough to qualify as long term parking but it’s still important to take note that the rate in battery discharge can be more than double of what you’re expecting. Plan accordingly.

While the loss was higher than I expected, I still had plenty of range to get back home and give my Model S a much needed bath.

Tesla Model S Long Term Parking at Airport

Summary

Be smart and plan out your Model S long term parking strategy, especially if there isn’t going to be a charger on site or nearby. Be sure to have enough battery range upon return so that you can get to your destination or to the nearest charging location.

Tesla suggests a 1% battery discharge loss per day but you may want to consider a more conservative 3% number to ensure you have plenty of range left upon returning.

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There are reports of Tesla owners having parked at the airport with a low state of charge only to find  car the the battery was drained upon returning. Bjørn Nyland of YouTube notoriety had an experience with long term parking (27 days at an airport with no charger) which resulted in less than a 1% loss per day – obviously a much better result than I had. The video showed a temperature of 8 degrees celsius, or about 46 degrees fahrenheit which is much warmer than it was for my test which may account for the difference in battery drain.

That said, the Tesla Model S can be safely left in long term parking without a charge and still have plenty of range left to get you home. Just be sure to take into account the number of days the car will be left unattended multiplied by a 1-2% battery discharge per day and you’ll be greeted with a happy Tesla upon returning.

 

"Rob's passion is technology and gadgets. An engineer by profession and an executive and founder at several high tech startups Rob has a unique view on technology and some strong opinions. When he's not writing about Tesla

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Elon Musk

Elon Musk drops a surprise update on Boring Company’s next big dig

Musk says Boring Company could shrink the Austin to San Antonio drive to just minutes.

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Elon Musk says The Boring Company is working on what he called “a simple, precursor Hyperloop” tunnel connecting Austin and San Antonio, targeting speeds above 200 mph and cutting a drive that can take up to two and a half hours down to a consistent under 30 minutes. Musk posted the idea on X Sunday, in a reply to a repost of an AI generated video imagining a science fiction future with human colonies on other worlds, which he shared with the line “This is the future we shall bring into being.”


The Boring Company’s own account picked up the idea in the same thread, adding a detail about how the trip would actually work: “Because Loop/Hyperloop is express (i.e. no intermediate stops), one could travel from an Austin parking lot to a favorite San Antonio restaurant in about 30 minutes. As long as they both have Loop stations.” That framing ties the proposed intercity link to the same station model the company already runs in Las Vegas, where riders enter the tunnel network through small, garage style stops rather than one central terminal.

This is not the company’s first run at the Austin to San Antonio corridor. Boring Company floated tunnels between the two cities as far back as 2021, and later competed for a separate San Antonio Loop project tied to the airport before that specific bid stalled. Pitches for tunnels in Chicago, Los Angeles, and a New York to Washington corridor have followed a similar pattern of big announcement without a shovel in the ground.

What is different this time is the balance sheet, especially since The Boring Company closed a 3 billion dollar funding round led by investors in the United Arab Emirates earlier this month at a valuation near 23 billion dollars, giving the tunneling company more capital to chase speculative projects than it had during its earlier Texas pitches. The company is also mid-build on two other intercity systems it has actually broken ground on, inc;luding a Nashville tunnel linking downtown to the airport, where a second boring machine finished commissioning in June, and its Las Vegas network, where the station count keeps climbing on paper faster than tunnels get dug.

That gap between announcement and execution is the reason to treat Sunday’s post as an opening bid rather than a project. A tunnel spanning roughly 80 miles between two metro areas, running at speeds Boring Company has not demonstrated over any real distance, would dwarf anything the company has built. For now, the Austin to San Antonio Hyperloop exists as a caption under an AI generated space video.

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Tesla eyes supply partners for Optimus mass production

Tesla certified three Chinese suppliers for Optimus mass production, signaling its robot timeline is accelerating.

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Concept rendering of Tesla Optimus in mass production

Tesla’s robotics team traveled to Ningbo, in China’s Zhejiang province, on September 16 and spent the following day auditing component suppliers for Optimus, according to a Bloomberg report cited by RobotAIGeek. The visit moved three manufacturers from provisional status to certified mass production partners: Tuopu Group, which handles actuators and chassis components, Ningbo Joyson Electronic, a sensor supplier, and Zhejiang Sanhua Intelligent Controls, which builds thermal management systems. All three already supply parts to Tesla’s electric vehicles, and the audit reportedly came with fresh orders that supply chain reports put at an initial batch of roughly 5,000 units.

Tuopu, Joyson, and Sanhua built their manufacturing base serving the automotive industry, where tolerances and volume requirements are already close to what a mass produced humanoid robot demands. Sanhua in particular has history here. Teslarati reported last October that the company had received a roughly $685 million order for linear actuators tied to Optimus, a volume industry watchers estimated could cover around 180,000 robots once production ramped.

Supply chain reports tied to this week’s audit put Tesla’s near term production goal at about 1,000 Optimus units a week by late September, rising to 2,000 to 2,500 units a week by the end of the year. That pace would put real weight behind the timeline Tesla has been building toward since May, when it wound down Model S and Model X production at Fremont to convert that floor space into a dedicated Optimus line targeting one million units annually. JPMorgan analysts who toured the factory in August confirmed the conversion took roughly four months, a pace Musk has called unprecedented for a facility that size.

New drone video shows Tesla’s Optimus Factory reaching a turning point

Fremont is only the first phase. A second, larger Optimus plant is rising at Gigafactory Texas, where drone footage shared by Joe Tegtmeyer last week showed the structural steel nearing completion on the north end of the building. Tesla has said that facility is meant to eventually support production of up to 10 million units a year, though volume output there is not expected before 2027.

Commercial sales of Optimus are still targeted for the second half of 2027, but production is expected to start well before then. JPMorgan analyst Rajat Gupta has said Tesla’s “Optimus Academy” program, which uses early units to collect real world training data inside Tesla’s own facilities, is expected to be running later this year. Bloomberg Intelligence analyst Ian Ma described the Ningbo audits as “a positive commercialization signal for China’s humanoid supply chain,” noting that sentiment could improve further if the visit leads to confirmed supplier nominations and larger orders. The Solactive China Humanoid Robotics Index rose about 1.4% on the news, though it remains down roughly 30% for the year.

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Elon Musk

Tesla primes Cybercabs for 4K streaming and high bandwidth gaming with Starlink integration

Tesla is now shipping Cybercabs from Giga Texas with Starlink hardware built in as standard.

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tesla cybercab with no manual controls showing a movie with two employees inside

Tesla’s Cybercabs are now leaving Gigafactory Texas with Starlink hardware on the rear hatch in significant numbers, according to drone footage captured Tuesday by longtime Austin drone observer Joe Tegtmeyer. Production at the factory ramped back up after the Labor Day weekend, and his flyover of the outbound lot showed rows of gold Cybercabs alongside Model Y Long Wheelbase units, many carrying the satellite module for the first time as standard equipment rather than a one off retrofit.

Tesla first showed Starlink built into an actual Cybercab on August 10, when the Robotaxi account posted images of a single gold unit with the antenna integrated into the roofline above the taillights and called it the first Cybercab with Starlink integration. That followed a July reveal where Tesla and Starlink jointly posted a cutaway diagram of the antenna placement without a working vehicle to back it up. Ashok Elluswamy, Tesla’s VP of AI software, said at the time that the connection isn’t required for the car to drive itself. It exists mainly for navigation, customer service and keeping tabs on the fleet.

Musk has made a different case in public. During Tesla’s Q2 earnings call, he said the company can’t afford robotaxis stranded in what he called “Bermuda Triangles of lack of cellular connectivity,” and he separately claimed on X that Starlink will eventually reach every Tesla built, calling it the only way to deliver high bandwidth to billions of vehicles. He has also pitched the antenna as an entertainment upgrade, telling riders they would be able to stream 4K video or play games during a trip.

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The rollout has moved fast since. Robotaxi service opened to the public in Austin on September 3, and Cybercabs had already been spotted with Starlink hardware in Houston and near Miami International Airport in the weeks before Tuesday’s factory footage showed the module shipping at volume rather than on scattered test units. Whether the satellite link earns its keep is still an open question. Tesla’s unsupervised service currently runs in dense metro geofences in Texas and Florida, markets where cellular coverage is already strong, which is not where the rural dead zones Musk describes tend to show up.

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