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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Table of contents for the manual
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RX 400h H Y B R I D O V E R V I E W[...]
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Le xus Hybrid Driv e Quick F acts: “ Gives more t o the driver , tak es les s from the w orld. ” H Y B R I D O V E R V I E W RX 400h • The Lexus RX 400h is power ed by a Le xus Hybrid Drive sy stem that combines the advantages of electric motor / generator and a gasoline engine. • The Lexus RX 400h does not need to be plugged in like an ele[...]
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What’ s Inside... Driving the RX 400h 1 - 2 Starting, driving, parking attendant instructions, long-term parking, running out of fuel, and battery facts. The Benefits of Lexus Hybrid T echnology 3 - 4 Impres sive P er formance; Lo w Lev els of Noise, V ibration, and Harshness; R educed Emissions; Improv ed Fuel Efficiency . EP A Mileage Estimates[...]
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1 Driving the RX 400h On the whole, driving the RX 400h is not very much different from driving a conventional v ehicle. How ev er , there are some subtle differences you will notice. • • • • • T urning the ignition k ey "starts" the v ehicle, but may not start the engine. Lik e starting a regular vehicle, turn the ignition k ey[...]
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• • • • • Some parking attendants may not be familiar with the RX 400h. T o properly oper ate the vehicle, these basic tips are important: 1. T urn k ey to “ST ART” and release. 2. Begin driving when “READ Y” light stays on. 3. The engine will start and stop automatically . New RX 400h vehicles come with parking attendant k ey rin[...]
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3 The Benefits of Le xus Hybrid T echnology Impres sive P er formance • Lexus hybrid v ehicles deliver impr essive thr ottle response, e ven fr om a standing start. This is because the electric motors deliver maximum torque inst antly . • The Lexus Hybrid Driv e system combined with the EC VT (Electronically controlled Continuously V ariable T [...]
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4 * Actual mileage may vary . R educed Emissions • Lexus hybrid v ehicles produce 7 0% fewer smog-forming emis sions than the aver age new v ehicle and are certified as an SULEV (Super Ultra-Lo w Emission V ehicle) by the California Air R esources Board. • The gasoline engine is turned off much of the time during idle and acceleration, which me[...]
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5 EP A Mileage Estimates & F uel Economy Quick F acts - EP A Mileage Estimates The EP A estimated fuel economy numbers are deriv ed from vehicle testing conducted at the U .S. Environmental P rotection Agency’ s (EP A ’ s) National V ehicle and F uel Emissions Laboratory in Ann Arbor , Michigan. V ehicle manufacturers also submit test r esu[...]
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6 EP A Mileage Estimates & Fuel Economy (continued) Expected range for most drivers 22 to 30 MPG Expected range for most drivers 20 to 28 MPG Y our actual mileage will vary depending on how you drive and maintain your vehicle. T ypical EP A Mileage Estimate data found on vehicle window stick er (Stick er and figures for A WD model) - Figure 1. [...]
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7 EP A Mileage Estimates & Fuel Economy (continued) T en tips for improving fuel econom y The following tips can help y ou achieve th e best possible fuel economy: 1) Plan ahead to combine short trips in order to minimize cold starts. 2) Acceler ate slowly . 3) A void heavy braking. Monitor traffic to minimize braking and coast whenev er possib[...]
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8 Multi-information Display & Monitors All RX 400hs are equipped with a Multi-information Display that shows a simplified repr esentation of the appro ximate flow of energy within the hybrid system. The display does not sho w all of the components of the system. The vehicle is being primarily driv en by the engine. • The arro w points away fr[...]
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9 Multi-information Displays & Monitors (continued) The optional Energy Monitor sho ws a simplified repr esentation of the appro ximate flow of energy within the hybrid sy stem. The display does not show all of the components of the system. The display is part of the RX 400h Navigation Sy stem and is located at the center console display . The [...]
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10 The vehicle is stopped, the engine is off , and the hybrid battery is not being charged. • No arro ws are display ed. T ypical Energy Monitor Screens (V ehicles with optional Navigation Systems only .) The vehicle is being driv en by the front electric motor . • The arro ws point away fr om the hybrid battery to the front electric motor and [...]
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11 Multi-information Displays & Monitors (continued) T ypical Energy Monitor Screens (continued) (V ehicles with optional Navigation Systems only .) The vehicle is being driv en by the engine and the front electric motor . • The arro ws point away fr om the hybrid battery , the engine, and the front electric motor and then to the front wheels[...]
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12 Multi-information Displays & Monitors (continued) T ypical Energy Monitor Screens (continued) (V ehicles with optional Navigation Systems only .) The vehicle is being driv en by the engine and the front and rear * electric motors. • The arro ws point away fr om the hybrid battery , the engine, and both front and rear* electric motors, and [...]
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13 Multi-information Displays & Monitors (continued) T ypical Energy Monitor Screens (continued) (V ehicles with optional Navigation Systems only .) The vehicle is park ed and the engine is charging the h ybrid batter y . • The arro ws point from the engine to the fr ont electric motor , then to the hybrid battery . Hybrid Battery Status info[...]
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14 Multi-information Displays & Monitors (Continued) The Consumption Monitor description Pr ess to go to the Energy Monitor screen A verage fuel economy in MPG Distance trav elled Pr ess to clear the av erage fuel economy and distance trav elled Outside temperature (continued on nex t page) The Consumption Monitor (V ehicles with optional Navig[...]
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15 Multi-information Displays & Monitors (continued) The Consumption Monitor (continued) (V ehicles with optional Navigation Systems only .) Y ello w bars repr esent aver age fuel economy (MPG) for 5-minute intervals. Current fuel economy (MPG). E E Each “E” box equals 50 Wh (W att hours) of electricity . A partial “E” box equals less t[...]
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16 Multi-information Displays & Monitors (continued) The P ow er Gauge The P ow er Gauge indicates the approximate po wer in kilo watts the hybrid system deliv ers or receiv es. The needle will mov e up towar ds 200kW during acceleration and do wnward into the blue ar ea when the hybrid system is regener ating power during coasting and br aking[...]
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17 RX 400h Hybrid T echnology A hybrid v ehicle is a vehicle that combines pow er from different sources to efficiently oper ate. Lexus has spent man y years and logged millions of test miles de veloping and testing the hybrid technology found in the RX 400h. The Lexus Hybrid Drive system that pow ers your Lexus RX 400h is an advanced sy stem that [...]
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18 RX 400h Hybrid T echnology (continued) Lexus Hybrid Driv e main components 3.3 L 2 4- V DOHC V -6 Engine with VVT -i – The primary power source for your v ehicle, the engine works in conjunction with the hybrid battery to deliver po wer to the EC VT . Electric Motor / Generator (MG1 ) – Ser ves as the starter motor for the engine and a “pa[...]
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19 Hybrid Battery – Composed of sealed nickel-metal hy dride modules, the 288- volt hybrid battery is located under the rear seat. It supplies pow er to the electric motors during start-up, acceler ation, uphill driving, and re verse. It supplies po wer to the Inv erter for use by the electric motors and stores r egenerative ener gy captured duri[...]
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20 How Le xus Hybrid Drive w orks. Lexus Hybrid Driv e incorporates gas-engine po wer with electric motor efficiency in a seamless manner . T ypically , the system works as follo ws: Starting from a stop The front electric motor / generator (MG2) and the r ear electric motor / generator (MGR*) both driv e the vehicle. The engine is not r equired to[...]
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21 F requently Ask ed Questions Q: How should I choose betw een an RX 350 and an RX 400h hybrid? A: If most of your driving is highw ay cruising or you leave y our vehicle park ed for sev eral weeks at a time, the RX 3 50 may best meet your needs. If most of your driving is stop-and-go city and y ou want impro ved acceleration and fuel economy , th[...]
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22 F requently Ask ed Questions (continued) Q: Do you hav e to charge it/ plug it in ? A: Lexus Hybrid Driv e automatically rechar ges the 12-v olt and hybrid batteries using regener ative braking or b y running the engine to generate electricity . Howev er , if the v ehic le ha s bee n par k ed for a lo ng ti me , the 1 2- v olt an d the h ybr id [...]
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23 RX 400h Hybrid Driv e Specifications Hybrid S ystem Engine T ype Displacement V alvetrain Electric-Drive Motors Hybrid Battery T otal System Horsepo wer 60° V6, aluminum block and heads, certified Super Ultra-Low Emis sions V ehicle (SULEV) 3.3 liters (202 cubic inches) F our cam, four valves per cylinder , with continuously V ariable V alve T [...]
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2 4 Glossary of Hybrid T echnology T erms 12-v olt Batter y The low -v oltage battery that provides electrical pow er to accessories and the vehicle 's computer , similar to the battery of a conventional vehicle. A C Electrical current that r ev erses its flow in a cir cuit at regular intervals. The RX 400h 's electric motors oper ate on [...]
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25 Glossary of Hybrid T echnology T erms (continued) Hybrid Battery Composed of sealed Nick el-Metal Hydride (NiMH) modules, the 288- volt hybrid batter y pr ovides electric motor pow er during start-up, acceler ation, uphill driving, and re verse. It also stor es energy captur ed during regener ative braking. The hybrid battery is cov ered for 8 y[...]
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26 Glossary of Hybrid T echnology T erms (continued) Planetary gear set The component of the ECVT that deliv ers the ef ficient mix of engine and hybrid pow er to the front wheels. The operation of the planetary gear set provides seamless acceleration without shift points. R egenerativ e Braking R egenerative br aking is a feature that allo ws an e[...]
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27 Index Specifications, features, equipment, technical data, performance figures, options, and color and trim are based upon informa- tion available at time of printing, are subject to change without notice, ar e for mainland USA vehicles and may differ in Hawaii, Puerto Rico, the US V irgin Islands and in other regions. Some vehicles may be shown[...]
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THE PURSUIT OF PERFECTION. M/N 002 42-RXHYB-08 Printed in US A (1/08) © 2008 Lexus[...]