Lexus GS 450h Driving Performance PDF Manual Guide

On the whole, driving the GS 450h is not very much different from driving a conventional vehicle. However, there are some subtle differences you will notice. Pressing the “POWER” button starts the vehicle, but may not start the engine. To start the GS 450h press and hold the brake pedal, then press the “POWER” button. After a few seconds, the “READY” light in the Power Gauge will come on. Once the “READY” light comes on, place the transmission lever into the desired position and start driving. When accelerating slowly, the GS 450h can drive up to about 20 miles per hour on electric power alone, so the gasoline engine may not start for a while depending upon the need.

• The transmission will feel different. The GS450huses an Electronically-controlled Continuously Variable Transmission (ECVT) with an advanced low and high range torque multiplication device. The transmission does not shift with fixed gear ratios like a conventional transmission, so it delivers power efficiently and smoothly. The engine will turn off and on while you drive.
• The engine will automatically turn on and off as needed. At medium or high speeds, it is normal for the engine to be on most of the time. At low speeds or when stopped, the engine may or may not be on, depending on the need. You will notice different sounds while driving.

• The engine sound will be more steady than a conventional vehicle when accelerating due to the smooth operation of the ECVT. It is also normal for the new technology of the Lexus Hybrid Drive to make a “whirring” sound while driving. The brakes may feel different.
• The GS 450h features an advanced, electronically-controlled brake-by-wire system. This system controls both the regenerative braking system and the conventional braking system. As a result, the brakes may feel different from a conventional vehicle.

When refueling, the fuel door may take a few moments to open.
• As part of emissions system operation, it may take up to 15 seconds for the fuel door to automatically release after the release button is pressed. The Multi- information Display in the instrument cluster will display “Refuel Ready” when the door releases.

Running out of fuel. Do not run your GS 450h out of fuel. The GS 450h is not designed to be operated with the fuel tank empty. If you try to start the GS 450h with the fuel tank empty, the hybrid system may become disabled on the third attempt. If you continue to drive with the fuel tank empty, the hybrid battery will rapidly discharge and the vehicle will shut down. If you run out of fuel, immediately pull over to a safe location and turn off the vehicle. Be sure to add fuel before attempting to restart the vehicle or continuing to drive.

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