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Hybrid TechnologyUnique topics related to the 2004 -2009 RX400H model hybrid drivetrain and other features/options found only on the RX400H. Please use the main forum for discussion about shared components with other second generation RX models.
don't use it if
1) you have to park a car for a long time (1+ weeks) or
2) in winter if it's extremely cold at night (and you brake hard before parking a car)