2011 Lexus HS250h battery

5
When trouble arises
547
5-2. Steps to take in an emergency
NOTICE
■Exclusive jump starting terminal precaution
The exclusive jump starting terminal is to be used when charging the 12-volt battery
from another vehicle in an emergency. It cannot be used to jump start another vehi-
cle.
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entangled in
the cooling fans or belt.

558
6-1. Specifications
Fuel
Electric motor (Traction motor)
Hybrid battery (Traction battery)
Lubrication system
Fuel typeUnleaded gasoline only
Octane rating87 (Research octane number 91) or higher
Fuel tank capacity
(Reference)14.5 gal. (55 L, 12.5 Imp. gal.)
Ty p ePermanent magnet synchronous motor
Maximum output105 kW
Maximum torque199 ft•lbf (270 N•m, 27.5 kgf•m)
Ty p eNickel-metal hydride battery
Vo l t a g e7.2 V/module
Capacity6.5 Ah (3HR)
Quantity34 modules
Overall voltage244.8 V
Oil capacity
(Drain and refill
-reference)
With filter
Without filter
4.5 qt. (4.3 L, 3.8 lmp.qt.)
4.3 qt. (4.1 L, 3.6 lmp.qt.)

561
6-1. Specifications
6
Vehicle specifications
Electrical system
Hybrid transaxle
*: The fluid capacity is a reference quantity. If replacement is necessary, contactyour Lexus dealer.
12-volt battery
Open voltage* at
68 F (20 C):12.6 12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(*: Voltage checked 20 minutes after the hybrid sys-
tem and all the lights are turned off)
Charging rates5 A max.
Fluid capacity *4.4 qt. (4.2 L, 3.7 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transaxle fluid type
Using hybrid transaxle fluid other than “Toyota Genuine ATF WS” may ultimately
damage the hybrid transaxle of your vehicle.

575
6-1. Specifications
6
Vehicle specifications
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle’s designated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is determined by
distributing to each axle its share of curb weight,
accessory weight, and normal occupant weight (dis-
tributed in accordance with Table 1
* below), and
dividing by two
We a t h e r s i d eThe surface area of the rim not covered by the
inflated tire
Tire related termMeaning

591
6-2. Customization
6
Vehicle specifications
CAUTION
■Cautions during customization
As the hybrid system needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such as a
garage, exhaust gases including harmful carbon monoxide (CO) may collect and
enter the vehicle. This may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent 12-volt battery discharge, ensure that the hybrid system is running while
customizing features.

592
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Engine oil maintenance
dataAfter changing engine oilP. 4 3 2
Tire pressure warning
system
• When rotating the tires on vehicles with differing front and rear tire infla-
tion pressures
• When changing the tire size
P. 443
The following items must be initialize d for normal system operation after
such cases as the 12-volt battery being reconnected, or maintenance
being performed on the vehicle.

611
Alphabetical index
Audio system (vehicles with navigation system)*
Audio/video system*
Audio visual input (vehicles without navigation system) .............. 311
Audio visual input (vehicles with navigation system)*
Automatic air conditioning system (vehicles without navigation system)Air conditioning filter ....................... 456
Air conditioning system ................. 256
Automatic air conditioning system.................................................. 256
Automatic air conditioning system (vehicles with navigation system)*
Automatic headlight leveling system ......................................................190
Automatic light control system ........186
AUX port (vehicles without navigation system)............................... 311
AUX port (vehicles with navigation system)*
Auxiliary box ...........................................374 Back-up lights
Replacing light bulbs ........................ 476
Wattage ................................................. 564
Battery Checking ...............................................439
If the vehicle has a discharged 12-volt battery...................................543
Preparing and checking before winter .................................... 249
Bluetooth
® (vehicles without
navigation system) ............................. 315
Bluetooth
® (vehicles with navigation
system)*
Bottle holders ......................................... 373
Brake Fluid...........................................................562
Parking brake ........................................162
Brake assist.............................................. 229
Break-in tips ............................................. 139
Brightness control Instrument panel light control ................................................... 165
*: Refer to “Navigation System Owner’s Manual”.
B

612
Alphabetical index
CareExterior .................................................. 408
Interior ....................................................... 412
Seat belts.................................................. 413
Cargo capacity ......................................248
CD changer (vehicles without navigation system) ............................ 277
CD changer (vehicles with navigation system)*
CD player (vehicles without navigation system) ............................ 277
CD player (vehicles with navigation system)*
Chains .......................................................250
Child restraint system Booster seats, definition ................... 123
Booster seats, installation ................133
Convertible seats, definition .......... 123
Convertible seats, installation....... 130
Front passenger occupant classification system......................... 118
Infant seats, definition......................... 123
Infant seats, installation ..................... 130
Installing CRS with LATCH anchors .................................................128
Installing CRS with seat belts........ 130
Installing CRS with top tether straps ...................................................... 134 Child safety
Airbag precautions .............................. 113
Child restraint system ....................... 123
Child-protectors .................................. 59
How your child should wear the seat belt........................................... 76
Installing child restraints ....................127
Moon roof precautions ......................93
Power window lock switch ..............87
Power window precautions............ 89
Removed electron ic key battery
precautions ....................................... 460
Seat belt extender precautions ...... 79
Seat belt precautions........................... 77
Seat heater precautions.................380
Trunk precautions.................................63
12-volt battery precautions............. 441
Child-protectors...................................... 59
Cleaning Exterior ................................................... 408
Interior....................................................... 412
Seat belts ................................................. 413
Climate control*
Clock (vehicles without navigation system) .............................377
Clock (vehicles with navigation system)*
Coin holder ............................................. 370
Compass .................................................. 396
Condenser .............................................. 436
Console box ........................................... 369C