2006 Lexus RX 400h Owners Manual - Page 48

HYBRID VEHICLE OVERVIEW If you open the door with the hybrid system turned on and the transmission is not in the "P" position, a message appears on the multi−information display and navigation system screen (for vehicles with navigation system). D When you leave your vehicle, or stop or park for a while, put the transmission in the "P" position. D Charging the traction battery while driving is important. In the "N" position, the traction battery will not be charged. Do not leave the transmission in the "N" position. The motor generator operates in the "P", "R", "D" and "B" positions. When you drive, put the transmission in the "D" or "B" position and depress the accelerator pedal. When driving in a traffic jam, operate the vehicle in the "D" position to prevent the traction battery from being discharged. " Traction battery air vents Air vents are located under the rear seats to cool the traction battery. If the vents are covered, the battery will overheat resulting in reduced output performance of the hybrid system. You may hear the noise of the cooling fans from the air vents. 12