they and their family and friends have been trapped inside hybrid cars due to batteries running flat and electronic door mechanisms not workingWhich? first raised its concerns around the high volume of 12V battery problems Lexus and Toyota cars were suffering in May. Mary Mitchell, who owns a Lexus LBX, said her grandchildren were trapped inside her car when the battery had ran flat. Even the ultra-premium Lexus RX hybrid is suffering from 12V battery issues, which is locking some occupants inside cars. Toyota models continue to use conventional interior door handles, meaning occupants cannot become trapped inside in the same way as some Lexus cars.