Many Chevy Obama Bailout Junk Bolt EV Owners Ignoring Charging Safety Rules amid Recall

[Leroy N. Soetoro]

With fires at risk, Bolt owners awaiting battery replacement have been
given guidance on how much to charge the battery and where. Nearly a third
are ignoring it, says one study.

https://www.caranddriver.com/news/a37421310/chevrolet-bolt-ev-recall-
rules-problems/

As the battery-related recall expands to include every Bolt EV and Bolt
EUV Chevrolet has sold in the U.S., the automaker and NHTSA have offered
updated suggestions to Bolt owners to minimize the risk of fires.
One temporary remedy for the defective battery is that Bolt EVs should not
be charged indoors, overnight, or to more than a 90 percent state of
charge. They should also not be driven so that the battery shows less than
70 miles left in the pack.
But Recurrent, which can monitor battery usage from its subscribers, says
that up to 30 percent of Bolt drivers are not following these rules.
The already large Chevy Bolt EV recall grew this week to include every
unit that Chevrolet has sold in the U.S., even the new Bolt EUVs that use
the same battery pack. The problem, as we've known since General Motors
announced the initial recall in the fall of 2020, is that in rare
circumstances the battery could ignite due to "defective battery modules."
The recall now involves 110,000 EVs, and their owners have been given
specific guidance about how to take care of their vehicle while waiting
for a full replacement to happen. The problem, according to battery-
monitoring service Recurrent: about 30 percent of Bolt drivers aren't
following that guidance correctly.

2020 chevrolet bolt ev and euv
CHEVROLET
As we've noted, GM and the National Highway Traffic Safety Administration
(NHTSA) have offered different fixes for this problem since it first
announced a recall for 2017-2019 model year Chevrolet Bolt EVs in November
2020. At the time, GM said Bolt owners should not park indoors and also
limit charging to at most 90 percent full (the setting can be adjusted
using the Bolt's Hilltop Reserve mode in 2017–2018 vehicles and Target
Charge Level mode in later models). Then, in July, owners were told not to
recharge their EVs overnight and to not drive so much on one charge that
the battery drops to below 70 miles of remaining range. This month, the
recall was expanded to include 2019 model Bolt EV and all 2020–2022 Bolt
EV and Bolt EUV models. The total cost to GM is now estimated to be $1.8
billion.

The overall number of Bolt EV fires suspected to be caused by this defect
is quite low. NHTSA started investigating the issue due to three fires and
later said it was aware of four fires that started despite drivers
following the suggested remedies. However, despite the potential
seriousness of the problem, it appears not all Bolt drivers are listening
to the company or NHTSA.

This insight comes to us from Recurrent, which monitors battery
information from electric=vehicle drivers who subscribe to the service in
order to analyze battery health. Recurrent has been watching 1000 Chevy
Bolt subscribers since early August, and this week said its real-world
numbers show that up to 30 percent of these Bolt owners are not following
GM's new charging guidelines to keep the pack below 90 percent full and
above 70 miles of remaining range, which the NHTSA calls "deep discharge
mode."

"Our data is showing that a lot of Chevy Bolt owners are going to have to
change their behavior," said Recurrent CEO Scott Case in a statement. "For
some, this could be a hardship if they have long commutes and require more
range than the new guidelines allow, especially during the summer when hot
temperatures and extra A/C usage affect battery performance."

Recurrent says its subscribers represent "highly engaged and attentive
owners," and that, in general, they did respond to the new charge level
guidance from GM, but there are still people who either don't know about
the safety suggestions or have decided not to follow them. The recall's
expansion to include 2019–2022 Bolt vehicles means it's likely it will
take even longer for GM to provide permanent fixes.

"Newer Chevy Bolt owners need to pay attention to this recall now," Case
said. "One hundred thousand batteries can't get replaced overnight given
supply-chain woes and high demand for new EVs so this will take some
time."


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