The power from the engine pushes the car forward from the back wheels instead of pulling it forward with the front wheels.
VOA: special.2009.04.10
The broad lower fenders are aerodynamically sculpted to manage the flow of air to the engine bay and front brakes, whilst reinforcing the powerful, dynamic road presence of the new Lexus signature frontal design.
It currently doesn't believe the cause was its ( previously recalled) Lithium-ion battery, exhaust routing or electrical components, having learned that the ignition zone was outside the engine compartment, in frontof the driver's side front tire.