Lexus RX 450h 2012 Owner's Manual page 34

Sounds and vibrations specific to a hybrid vehicle
■
There may be no engine sounds or vibration even though the vehicle is able to
move. Always shift the shift lever to P 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) under the rear
●
seat when the hybrid system starts or stops.
Sounds from the hybrid system may be heard when the back door is open.
●
Sounds may be heard from the hybrid transmission when the engine is started
●
or stopped, or while the engine is idling.
Engine sounds may be heard when accelerating sharply.
●
Sounds may be heard due to regenerative braking when the brake pedal is
●
depressed and accelerator is loosened.
Vibration may be felt when the gasoline engine starts or stops.
●
Cooling fan sounds may be heard from the air intake vents under the rear seat.
●
Maintenance, repair, recycling, and disposal
■
Contact your Lexus dealer regarding maintenance, repair, recycling and disposal.
Do not dispose of the vehicle yourself.
1-1. Hybrid system
33
1