Lexus NX450h+ 2022 Owner's Manual, Quick Manual page 15

Important points for the plug-in hybrid system
Plug-in hybrid system features
The plug-in hybrid system is a system excellent in both economical efficiency
of electric vehicles and practicality of hybrid electric vehicles.EV driving can be
performed using electricity charged from an external power source.If the amount
of electricity remaining in the hybrid battery (traction battery) becomes low, the
vehicle is automatically controlled in such a way that it can be riven as a hybrid
electric vehicle through the joint use of the gasoline engine.
combines the use of a gasoline engine and an electric motor (traction motor)
according to driving conditions, improving fuel efficiency and reducing exhaust
emissions.For details, refer to the "OWNER'S MANUAL".
INFORMATION
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Hybrid battery (traction battery) charge
If the shift lever is in N, the hybrid battery (traction battery) will not be charging, even
when the engine is running. Therefore, if the vehicle is left with the shift lever in N, the
hybrid battery (traction battery) will discharge, and this may result in the vehicle not being
able to start.
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Sounds and vibrations specific to a hybrid electric vehicle
Because there is no engine sound or vibration, it is easy to mistake the hybrid electric
vehicle for being off when it is actually still running, as indicated by the "READY"
indicator being illuminated. For safety, make sure to always shift the shift position to P and
apply the parking brake when parked.
The following sounds or vibrations may occur when the hybrid system is operating and
are not a malfunction:
Motor sounds may be heard from the engine compartment.
●
Sounds may be heard from the hybrid battery (traction battery) behind the rear seats
●
when the hybrid system starts or stops.
● Relay operating sounds such as a snap or soft clank will be emitted from the hybrid
battery (traction battery), behind the rear seats, when the hybrid system is started or
stopped.
● Sounds from the hybrid system may be heard when the back door is open.
● Sounds may be heard from the transmission when the gasoline engine starts or stops,
when driving at low speeds, or during idling.
*1 : The EV driving range will vary in accordance with conditions such as vehicle speed,
the amount of charge remaining in the hybrid battery (traction battery) and the usage
of the air conditioning system. The gasoline engine may also be used simultaneously in
accordance with driving conditions.
When Driving
*1
The hybrid system
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