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2010 Lexus RX 450h User Guide 2 - Page 27

2010 Lexus RX 450h Manual

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1-1. Hybrid system n Charging the battery l As the gasoline engine charges the hybrid battery (traction battery), the battery 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 reason, 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. l If the shift lever is in N, the hybrid battery (traction battery) will not be charged. 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 discharging the battery. n After the 12-volt battery has discharged or has been changed or removed 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. n 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: l Motor sounds may be heard from the engine compartment. l Sounds may be heard from the hybrid battery (traction battery) under the rear seat when the hybrid system starts or stops. l Sounds from the hybrid system may be heard when the back door is open. l Sounds may be heard from the hybrid transmission when the engine is started or stopped, or while the engine is idling. l Engine sounds may be heard when accelerating sharply. l Sounds may be heard due to regenerative braking when the brake pedal is depressed and accelerator is loosened. l Vibration may be felt when the gasoline engine starts or stops. l Cooling fan sounds may be heard from the air intake vents under the rear seat. n Maintenance, repair, recycling, and disposal Contact your Lexus dealer regarding maintenance, repair, recycling and disposal. Do not dispose of the vehicle yourself. 28

Section	Page
Front	1
TOC	2
Pictoral index	8
Foreword	20
Hybrid System	25
Key information	40
Opening, closing and locking the doors	45
Adjustable components seats, mirrors, steering wheel	74
Opening and closing the windows and moon roof	102
Refueling	109
Theft deterrent system	114
Safety information	119
Driving procedures	154
Instrument cluster	180
Operating the lights and windshield wipers	198
Using other driving systems	218
Driving information	262
Using the air conditioning system and defogger	292
Using the audio system	301
Using the Bluetooth audio system	360
Using the hands-free phone system for mobile phones	380
Using the interior lights	414
Using the storage features	417
Other interior features	426
Maintenance and care	453
Maintenance	459
Do-it-yourself maintenance	466
Essential information	550
Steps to take in an emergency	560
Specifications	621
Customization	649
Initialization	658
Reporting safety defects for U.S. owners	660
Abbreviation list	665
Alphabetical index	667
What to do if	677

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1-1. Hybrid system

Charging the battery

As the gasoline engine charges the hybrid battery (traction battery), the battery

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.

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.

After the 12-volt battery has discharged or has been changed or removed

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 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.