LEXUS - RX400H - 2006 RSS 2006 LEXUS RX400H HYBRID PROPULSION SYSTEM: INVERTER 2006 LEXUS RX400H ENGINE AND ENGINE COOLING 2006 LEXUS RX400H ELECTRICAL SYSTEM 2006 LEXUS RX400H VEHICLE SPEED CONTROL:ACCELERATOR PEDAL 2006 LEXUS RX400H VEHICLE SPEED CONTROL:ACCELERATOR PEDAL