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When stopped/during start-off
The gasoline engine stops when the vehicle is stopped. During start-
off, the electric motor (traction motor) drives the vehicle. At slow
speeds or when traveling down a gentle slope, the engine is stopped
and the motor is used.
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During normal driving
The gasoline engine is predominantly used. The electric motor
(traction motor) charges the hybrid battery as necessary.
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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).
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When braking (regenerative braking)
The electric motor (traction motor) charges the hybrid battery
(traction battery).
Charging the hybrid battery (traction battery)
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As the gasoline engine charges the hybrid battery (traction battery), the battery
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does not need to be charged from an outside source. However, if the vehicle is
left parked for a long time the hybrid battery will slowly discharge. For this rea-
son, be sure to drive the vehicle at least once every few months for at least 30
minutes. If the hybrid battery becomes fully discharged and you are unable to
jump-start the vehicle with the 12-volt battery, contact your Lexus dealer.
If the shift lever is in N, the hybrid battery (traction battery) will not be charged.
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Always put the shift lever in P when the vehicle is stopped. When driving in
heavy traffic, operate the vehicle with the shift lever in D or S to avoid discharg-
ing the battery.
1-1. Hybrid system
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