Lexus GS 450h, Owner'S Manual

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GS450h_OM_OM30E26U_(U)
4-2. Driving procedures
EV drive mode
Turns EV drive mode on/off
When EV drive mode is turned on,
“EV MODE” will be displayed on the
multi-information display. Pressing the
switch when in EV drive mode will
return the vehicle to normal driving
(using the gasoline engine and electric
motor [traction motor]).
■
Situations in which EV drive mode cannot be turned on
It may not be possible to turn EV drive mode on in the following situations. If it cannot
be turned on, a buzzer will sound and a message will be shown on the multi-informa-
tion display.
●
The temperature of the hybrid system is high.
The vehicle has been left in the sun, driven on a hill, driven at high speeds, etc.
●
The temperature of the hybrid system is low.
The vehicle has been left in temperatures lower than about 32
 F (0  C) for a long
period of time etc.
●
The gasoline engine is warming up.
●
The hybrid battery (traction battery) is low.
The remaining battery level indicated in the “Energy Monitor” display is low.
(

P. 112)
●
Vehicle speed is about 25 mph (40 km/h) or more.
●
The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
●
The windshield defogger is in use.
In EV drive mode the electric motor (traction motor), powered by the
hybrid battery (traction battery), is used to drive the vehicle.
This mode allows you to drive in residential areas early in the morning
and late at night, or in indoor parking lots etc. without concern for
noises and gas emissions.
However, when the vehicle proximity notification system is active, the
vehicle may produce sound.