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Tesla Motors’ Devastating Design Problem
Feb 23rd
FROM Understatement.com
By Michael Degusta
Tesla Motors’ lineup of all-electric vehicles — its existing Roadster, almost certainly its impending Model S, and possibly its future Model X — apparently suffer from a severe limitation that can largely destroy the value of the vehicle. If the battery is ever totally discharged, the owner is left with what Tesla describes as a “brick”: a completely immobile vehicle that cannot be started or even pushed down the street. The only known remedy is for the owner to pay Tesla approximately $40,000 to replace the entire battery. Unlike practically every other modern car problem, neither Tesla’s warranty nor typical car insurance policies provide any protection from this major financial loss. Here’s how it happens.
Despite this “brick” scenario having occurred several times already, Tesla has publicly downplayed the severity of battery depletion risk to both existing owners and future buyers. Privately though, Tesla has gone to great lengths to prevent this potentially brand-destroying incident from happening more often, including possibly engaging in GPS tracking of a vehicle without the owner’s knowledge. UPDATE!
NOTE (UPDATED!): The argument outlined in this story by Michael DeGusta that originally appeared on theunderstatement.com has been confirmed by Tesla with the following statement:
All automobiles require some level of owner care. For example, combustion vehicles require regular oil changes or the engine will be destroyed. Electric vehicles should be plugged in and charging when not in use for maximum performance. All batteries are subject to damage if the charge is kept at zero for long periods of time. However, Tesla avoids this problem in virtually all instances with numerous counter-measures. Tesla batteries can remain unplugged for weeks (even months), without reaching zero state of charge. Owners of Roadster 2.0 and all subsequent Tesla products can request that their vehicle alert Tesla if SOC falls to a low level. All Tesla vehicles emit various visual and audible warnings if the battery pack falls below 5 percent SOC. Tesla provides extensive maintenance recommendations as part of the customer experience.
— Ed.
How To Brick An Electric Car
A Tesla Roadster that is simply parked without being plugged in will eventually become a “brick”. The parasitic load from the car’s always-on subsystems continually drains the battery and if the battery’s charge is ever totally depleted, it is essentially destroyed. Complete discharge can happen even when the car is plugged in if it isn’t receiving sufficient current to charge, which can be caused by something as simple as using an extension cord. After battery death, the car is completely inoperable. At least in the case of the Tesla Roadster, it’s not even possible to enable tow mode, meaning the wheels will not turn and the vehicle cannot be pushed nor transported to a repair facility by traditional means.
The amount of time it takes an unplugged Tesla to die varies. Tesla’s Roadster Owners Manual [Full Zipped PDF] states that the battery should take approximately 11 weeks of inactivity to completely discharge [Page 5-2, Column 3: PDF]. However, that is from a full 100% charge. If the car has been driven first, say to be parked at an airport for a long trip, that time can be substantially reduced. If the car is driven to nearly its maximum range and then left unplugged, it could potentially “brick” in about one week.[1] Many other scenarios are possible: for example, the car becomes unplugged by accident, or is unwittingly plugged into an extension cord that is defective or too long.
When a Tesla battery does reach total discharge, it cannot be recovered and must be entirely replaced. Unlike a normal car battery, the best-case replacement cost of the Tesla battery is currently at least $32,000, not including labor and taxes that can add thousands more to the cost.
Five Examples And Counting
Of the approximately 2,200 Roadsters sold to date, a regional service manager for Tesla stated he was personally aware of at least five cases of Tesla Roadsters being “bricked” due to battery depletion. It is unknown if there are additional cases in other regions or countries.
The 340th Tesla Roadster produced went to a customer in Santa Barbara, California. In 2011, he took his Roadster out for a drive and then parked it in a temporary garage while his home was being renovated. Lacking a built-in Tesla charger or a convenient power outlet, he left the car unplugged. Six weeks later his car was dead. It took four men two hours to drag the 2,700-pound Roadster onto a flatbed truck so that it could be shipped to Tesla’s Los Angeles area service center, all at the owner’s expense. A service manager then informed him that “it’s a brick” and that the battery would cost approximately $40,000 to replace. He was further told that this was a special “friends and family” price, strongly implying that Tesla generally charges more.
As a second Roadster owner discovered, the Tesla battery system can completely discharge even when the vehicle is plugged in. This owner’s car was plugged into a 100-foot long extension cord for an extended period. The length of this extension cord evidently reduced the electric current to a level insufficient to charge the Tesla, resulting in another “bricked” Roadster.
A third bricked Tesla Roadster apparently sits in its owner’s garage in Newport Beach, California. That owner allegedly had a similar prior incident with a BMW-produced electric vehicle. He claimed BMW replaced that vehicle, but Tesla refuses to do the same. The owner either couldn’t afford or didn’t want to pay Tesla the $40,000 (or more) to fix his car.
A fourth customer shipped his Tesla Roadster to Japan, reportedly only to discover the voltages there were incompatible. By then, it was too late, the car was bricked, and he had to ship it back to the US for repairs.
The whereabouts and circumstances of the fifth bricked Roadster the Tesla service manager expressed knowledge of are unknown.
No Warranty, No Insurance, No Payment Plan
Tesla has a “bumper to bumper” warranty [Page 3: PDF], but the warranty text allows Tesla to hold the owner responsible for any damage related to “Failure to maintain the Battery at a proper charge level at all times” – the meaning of “proper charge” doesn’t appear to be specifically defined. Tesla CEO Elon Musk, Vice President of Sales & Ownership Experience George Blankenship, and Vice President of Worldwide Service J. Joost de Vries all became directly involved in at least one “brick” situation, with de Vries stating in writing that since Tesla’s documentation and warranty “identify in clear language to keep the Roadster on external power when parked” the decision to decline any warranty or financial relief was “correct and justified”.[2]
Unfortunately for current and future Tesla owners who encounter this problem, it’s also not covered by normal automobile insurance policies. This makes the situation almost unique in modern car-ownership: a $40,000 or more exposure that cannot be insured. After all, car insurance is designed to protect owners and drivers even when they are neglectful or at fault. The affected customers probably would have been in a better financial situation if they’d accidentally rolled their Teslas off a cliff, as insurance would generally cover much of those costs.
Due to Tesla batteries naturally decaying over time, Tesla offered Roadster customers a $12,000 “battery replacement program”. This program is intended to replace a Roadster battery with a new one seven years after purchase. When asked, the Tesla service manager said even if owners had paid in advance for this replacement battery program, they would not be allowed to use it to replace an accidentally discharged battery – they would have to pay the full $40,000-plus cost.[3]
The Santa Barbara owner was also informed that no other financing or payment plan would be made available to pay for the replacement battery, and that he needed to either pay in full or remove his dead vehicle from the Tesla service center as soon as possible.
Understated Warnings to Owners
With such a large price tag for a bricked vehicle, it would be reasonable to expect Tesla to go to great lengths to ensure their customers were fully aware of the severity of battery discharge. Instead it seems that Tesla, while working to make it clear their vehicles should always be left plugged in, also appears to have focused on trying not to spook their current and future customers about the potentially severe ramifications of complete battery discharge.
The Tesla Roadster Owners Manual begins with several “Important Notes About Your Vehicle” [Page 1-2: PDF], none of which make any mention of battery discharge. In Chapter 5 of the manual, where vehicle charging is addressed, Tesla states that the vehicle is “designed to be plugged in” and that allowing the charge level to fall to 0% “can permanently damage the Battery.” [Page 5-2: PDF] It does not specify that a completely discharged battery may need to be replaced, entirely at the owner’s expense, at a cost that could be the majority of the value of the vehicle.
Tesla did begin handing out a “Battery Reminder Card” [PDF] when a Roadster was brought in for servicing. However, the card gently and cheerfully prods owners to “Remember – a connected Roadster is a happy Roadster!” with no mention of the possible consequences of a complete discharge.
There is no warning regarding battery discharge on the actual power port of the vehicle itself, where a gas-powered car often contains warnings about issues like the use of leaded gasoline in an unleaded vehicle. There is also no warning on the power port or in the Roadster Owner’s manual regarding the use of extension cords.
for more on this story see understatement.com where it first appeared.
Boulder Weather UPDATE on wind storm and snow: winds may subside at 9:00pm Story:
Feb 22nd
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Tonight: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 28. Breezy, with a west northwest wind 20 to 23 mph decreasing to between 11 and 14 mph. Winds could gust as high as 32 mph. Total nighttime snow accumulation of less than a half inch possible.
High Wind Warning
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
350 PM MST WED FEB 22 2012
…HIGH WINDS WILL CONTINUE EAST OF THE CONTINENTAL DIVIDE AND
OVER THE FOOTHILLS AND ADJACENT PLAINS THIS EVENING…
.THE STRONG UPPER LEVEL JET STREAM OVER COLORADO WILL CONTINUE
PRODUCING INTENSE SURFACE PRESSURE GRADIENTS WHICH WILL KEEP
STRONG WINDS BLOWING ACROSS THE FRONT RANGE INTO TONIGHT. GUSTS
OF 70 TO 90 MPH OCCURRED DURING THE AFTERNOON. TREES HAVE BEEN
BLOWN DOWN IN THE BOULDER AREA AND TRUCKS HAVE BEEN BLOWN OVER ON
SOME FRONT RANGE ROADWAYS. THE STRONG WINDS WILL CONTINUE AFFECTING
BOULDER…THE WESTERN SECTIONS OF FORT COLLINS…LOVELAND…AND
THE WESTERN SUBURBS OF DENVER. WIND GUSTS TO 80 MPH ARE EXPECTED…
ALTHOUGH A FEW WIND PRONE AREAS COULD SEE GUSTS NEAR 100 MPH.
COZ038-039-230700-
/O.CON.KBOU.HW.W.0005.000000T0000Z-120223T1200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF…FORT COLLINS…HEREFORD…LOVELAND…
NUNN…ARVADA…BOULDER…GOLDEN…LAKEWOOD…LONGMONT
350 PM MST WED FEB 22 2012
…HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY…
* TIMING…PERIODS OF STRONG GUSTY WINDS WILL OCCUR TONIGHT.
WINDS WILL DECREASE LATE TONIGHT AS A COLD FRONT PUSHES ACROSS
THE AREA.
* WINDS…GUSTS BETWEEN 70 AND 80 MPH. THE STRONG WINDS WILL BE
FOUND CLOSE TO THE BASE OF THE FOOTHILLS WITH LIGHTER WINDS
FARTHER EAST TOWARD I-25.
* IMPACTS…STRONG WINDS WILL PRODUCE HAZARDOUS DRIVING
CONDITIONS FOR HIGH PROFILE VEHICLES ALONG THE BASE OF THE
FOOTHILLS… ESPECIALLY ALONG HIGHWAY 93 BETWEEN GOLDEN AND
BOULDER…U.S. 36 BETWEEN BROOMFIELD AND LYONS…AND HIGHWAY
287 FROM BROOMFIELD THROUGH FORT COLLINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. TRAVEL IN
HIGH PROFILE VEHICLES IS DISCOURAGED.
RESIDENTS IN THE WARNING AREA ARE URGED TO BRING INDOORS ANY
LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE
BLOWN ABOUT BY THE STRONG WINDS.
Boulder Office of EMERGENCY MANAGEMENT latest it’s a real mess out there
Feb 22nd
It is anticipated that the the evacuations will remain in effect for several hours as crews assess any potential for additional fire activity in the Lyons Stone Canyon area. Evacuees are advised to remain at the evacuation center until further notice.
2/22 7:20 p.m. – Stone Canyon Fire contained
Fire crews are reporting that the Stone Canyon Fire has been contained. Firefighters are still on the scene to monitor and address hot spots. The fire scorched about 20 acres. Evacuation Center officials are reporting that approximately 15 families are on scene, awaiting word about when they can safely return to their homes. Updates will be posted here as soon as they are available.
2/22 6:40 p.m. – Hwy. 36 has been re-opened
The Colorado State Patrol has re-opened Hwy. 36, but motorists are advised to use caution because of high wind conditions.
2/22 6:35 p.m. – Additional evacuation information
Evacuations have been ordered for the Eagle Ridge subdivision, and officials are re-routing traffic to 5th Avenue because of a downed power line at 1125 Stone Canyon Road.
2/22 6:30 p.m. – Hwy. 36 closed at McCaslin Boulevard
Motorists are advised that Hwy. 36 is closed at McCaslin Boulevard in both directions. Alternate routes are suggested.
2/22 6:15 p.m. – Lyons High School opens as evacuation center
Emergency officials are opening an evacuation center at Lyons High School for individuals displaced by the Stone Canyon fire. The high school is located at 100 S. Second Ave. in Lyons. Individuals are encouraged to at least check in at the evacuation center to register in the event that officials need to contact them.
2/22 6:05 p.m. – New fire reported east of Lyons
Crews are responding to a grassfire that is threatening structures east of Lyons. The fire, approximately 2 acres, started behind 931 Stone Canyon Road. Emergency officials made 42 Everbridge notifications, advising people to evacuate immediately because of the high winds and fast-moving 10- to 15-foot flames. No evacuation centers have been established yet. Additional updates will be posted as soon as they are available.
2/22 6 p.m. – City, county crews contain Diagonal Fire
Contact:
EOC Media Line – 720-564-2935
City, county fire crews contain grass fire along Diagonal Highway
City and county firefighters have contained a grass fire that broke out at about 3:30 p.m. today at 63rd Street and Diagonal Highway. Firefighters battled high winds that made conditions particularly challenging. As of 5 p.m., crews were reporting that the blaze was 100 percent contained.
Read more…
2/22 5:45 p.m. – Weather Update
According to the National Weather Service, we are currently experiencing the strongest winds of the evening, with gusts out of the W/SW over 70 mph. Between 8 and 9 p.m., winds will shift to NW at 40-50 mph. Around midnight tonight, winds shift to the N decreasing to 25-30 mph gusts. The wind helps to move a cold front quickly in to Boulder County by 5 a.m. with winds at 10-15 mph. Snow accumulations expected to be .5 to 1 inch, and the storm will move out of the area by noon tomorrow.
2/22 5:22 p.m. – Diagonal Fire
2/22 5:22p.m. – Diagonal Fire The Diagonal Fire is now 100% contained. The Diagonal is open for Longmont bound traffic, still closed for Boulder bound traffic. 63rd St. is closed from the diagonal to Monarch Road. 71st St. is closed between State Highway 52 and Winchester Circle.
2/22 4:40 p.m. – Diagonal Fire
2/22 5:04p.m. – Diagonal Fire – 1300 reverse notifications were sent to the area from Lookout Road north to Niwot Rd, and from 79th Street west to the Diagonal, advising residents of the fire in the area. No evacuations were ordered.
2/22 4:40 p.m. – Diagonal Fire
2/22 4:40 p.m. – Diagonal Fire Update – There are no mandatory evacuations at this time. Voluntary evacuation should go Eastbound towards 75th Street.
2/22 4:30 p.m. – Diagonal Fire
Fire crews are responding to a brush fire near 63rd Street and Diagonal Highway. Initial reports indicated the fire was near Tom Watson Park, west of Diagonal Highway.
Please be aware that both lanes of the Diagonal Highway at 63rd Street have been shut down.





















