2008 Lexus RX400h I have to turn the ignition switch off and on several times before the ready light comes on and the car is ready to drive. what causes this problem?
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Hello, this kind of thing is beyond anything this forum could give advice about. You'll need to consult a specialist in hybrid vehicles such as your Lexus. The only thing I would recommend is to ensure your 12 volt battery is fully charged and functional.