Lexus ES350 Manual page 75

After the 12-volt battery has discharged or has been changed or removed
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The gasoline engine may not stop even if the vehicle is running on the hybrid battery
(traction battery). If this continues for a few days, contact your Lexus dealer.
Sounds and vibrations specific to a hybrid vehicles
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There may be no engine sounds or vibration even though the vehicle is able to move.
For safety, apply the parking brake and make sure to shift the shift position 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.
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Sounds may be heard from the hybrid battery (traction battery) behind the rear
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seats when the hybrid system starts or stops.
Sounds from the hybrid system may be heard when the trunk lid is open.
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Sounds may be heard from the hybrid transmission when the hybrid system starts
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or stops.
Engine sounds may be heard when accelerating sharply.
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Sounds may be heard due to regenerative braking when the brake pedal is
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depressed.
Vibration may be felt when the gasoline engine starts or stops.
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Cooling fan sounds may be heard from the air intake vent on rear left seat.
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Vehicle proximity notification system
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In the following cases, the vehicle proximity notification system may be difficult for
surrounding people to hear.
In very noisy areas
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In the wind or the rain
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Also, as the vehicle proximity notification system is installed on the front of the vehi-
cle, it may be more difficult to hear from the rear of the vehicle compared to the
front.
Maintenance, repair, recycling, and disposal
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Contact your Lexus dealer regarding maintenance, repair, recycling and disposal.
Do not dispose of the vehicle yourself.
Customization
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Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features: P. 862)
ES350_300h_OM_OM33A60U_(U)
1-2. Hybrid system
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