In October, information broke that the National Highway Traffic Safety Administration had opened an investigation of the Chevrolet Bolt EV as a consequence of potential battery fires whereas charging. On Friday, Chevrolet introduced a recall affecting all mannequin yr 2017 and 2018 Bolt EVs, in addition to sure MY2019 Bolt EVs.
The drawback entails battery packs containing cells made at LG Chem’s manufacturing facility in Ochang, Korea. Chevrolet says that, working with NHTSA, it confirmed a complete of 5 Bolt EV fires brought on by this subject, which occurred when charging the vehicles’ battery packs to full capability.
Affected homeowners ought to contact their native Chevrolet vendor to schedule the software program repair, which is accessible later this week. (You can examine NHTSA’s database to see in case your car identification quantity is included.) The replace will forestall the battery from charging past 90 %, and Chevrolet says it is going to have a everlasting repair that restores the battery’s capacity to make use of one hundred pc of its state of cost as quickly as attainable after January 1, 2021.
In the meantime, Chevrolet is asking homeowners of affected vehicles to alter their charging settings to forestall any likelihood of fires earlier than they get patched.
For homeowners of MY2017 and MY2018 Bolt EVs, which means enabling Hilltop Reserve mode, which instructs the battery to depart 10-percent overhead when charging. For homeowners of affected MY2019 Bolt EVs, which have barely completely different settings, Chevrolet says to allow Target Charge mode, which needs to be set to 90 %. (There are video directions obtainable at Chevrolet’s Bolt EV recall web page.) The firm says that when you do not feel assured altering that setting your self, you shouldn’t park your Bolt EV in a storage or below a carport till after the automotive has been patched.