Subaru and Toyota are being sued by owners over the Solterra and bZ4x's battery. The pair of co-developed EVs has a 12-volt battery that has presented enough problems that owners have decided to file a lawsuit. The suit alleges that the EV's 12-volt units drain rapidly, necessitating replacements far more frequently than usual. Toyota And Subaru EV Owners Sue2024 Subaru SolterraSubaruPer court filings, the plaintiffs allege many owners have run through "multiple 12-volt batteries in mere months and at 10,000 or fewer miles." Even in EVs, a 12-volt battery should last years, not months.