2010 Lexus RX 450h User Guide - Page 28

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1-1. Hybrid system

1

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Regenerative braking

In the following situations, kinetic energy is converted to electric energy and decel-

eration force can be obtained in conjunction with the recharging of the hybrid bat-

tery (traction battery).

●

The accelerator pedal is released.

●

The brake pedal is depressed with the shift lever in D or S.

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Conditions in which the gasoline engine may not stop

The gasoline engine starts and stops automatically. However, it may not stop auto-

matically in the following conditions:

●

During gasoline engine warm-up

●

During hybrid battery (traction battery) charging

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When the temperature of the hybrid battery (traction battery) is high or low

●

When the heater is switched on

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During normal driving

The gasoline engine is predominantly used. The electric motor

(traction motor) charges the hybrid battery as necessary.

■

When accelerating sharply

The power of the hybrid battery (traction battery) is added to that of

the gasoline engine via the electric motor (traction motor).

■

When braking (regenerative braking)

The electric motor (traction motor) charges the hybrid battery

(traction battery).