Lexus HS250h 2012 Owner's Manual

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Maintenance data (fuel, oil level, etc.)
Dimensions and weights
*: Unladen vehicles
Vehicle identification■ Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for your
vehicle. This is the primary identification number for your Lexus. It is used
in registering the ownership of your vehicle.
This number is stamped on the top left of the instrument panel and under the
front passenger’s seat (on some models).
Overall length184.8 in. (4695 mm)
Overall width70.3 in. (1785 mm)
Overall height*59.3 in. (1505 mm)
Wheelbase106.3 in. (2700 mm)
Tr e a dFront60.4 in. (1535 mm)
Rear60.2 in. (1530 mm)
Vehicle capacity weight
(Occupants + luggage)825 lb. (375 kg)

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Vehicle specifications
HS250h_U_75050UThis number is also on the Certifi-
cation Label.
■ Engine number
The engine numbers is stamped on
the engine block as shown.
Engine
Model2AZ-FXE
Ty p e4-cylinder in line, 4-cycle, gasoline
Bore and stroke3.48 × 3.78 in. (88.5 × 96.0 mm)
Displacement144.1 cu.in. (2362 cm3)
Drive belt tensionAutomatic adjustment
Valve clearance
(engine cold)Intake: 0.007  0.011 in. (0.19  0.29 mm)
Exhaust: 0.015
 0.019 in. (0.38  0.48 mm)

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Fuel
Electric motor (Traction motor)
Hybrid battery (Traction battery)
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/m o d u l e
Capacity6.5 Ah (3HR)
Quantity34 modules
Overall voltage244.8 V

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Lubrication system
*: The engine oil capacity is a reference quantity to be used when exchanging.Warm up the engine and turn off the hybrid system, wait more than 5 minutes,
and check the oil level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil” or equivalent to satisfy the follow-
ing grade and viscosity.
Oil grade: ILSAC multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good
starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced with
SAE 0W-20 at the next oil
change.
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.)
Outside temperature

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Oil viscosity (0W-20 is explained here as an example):
●The 0W in 0W-20 indicates the characteristic of the oil which allows cold
startability. Oils with a lower value before the W allow for easier starting of
the engine in cold weather.
● The 20 in 0W-20 indicates the viscosity characteristic of the oil when the
oil is at high temperature. An oil with a higher viscosity (one with a higher
value) may be better suited if the vehicle is operated at high speeds, or
under extreme load conditions.
How to read oil container label:
The ILSAC (International Lubricant Standardization and Approval Com-
mittee) Certification Mark is added to some oil containers to help you
select the oil you should use.
Cooling system
Capacity
Gasoline engine
Po w e r c o n t ro l u n i t
7.7 qt. (7.3 L, 6.4 Imp. qt.)
3.1 qt. (2.9 L, 2.6 Imp. qt.)
Coolant type
Use either of the following.• “Toyota Super Long Life Coolant”
• A similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite,
and non-borate coolant with long-life
hybrid organic acid technology
Do not use plain water alone.

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Ignition system
Electrical system
Hybrid transaxle
*: The fluid capacity is a reference quantity. If replacement is necessary, contactyour Lexus dealer.
Spark plug
Make
GapDENSO SK20R11
NGK IFR6A11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug gap.
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 typeTo y o t a G e n u i n e AT F W S

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Brakes
*1: Minimum pedal clearance when depressed with a force of 44 lbf (196 N, 20
kgf) while the hybrid system is running
*2: Parking brake pedal travel when depressed with a force of 67 lbf (300 N, 31kgf)
Steering
NOTICE
■Hybrid transaxle fluid type
Using hybrid transaxle fluid other than “Toyota Genuine ATF WS” may ultimately
damage the hybrid transaxle of your vehicle.
Pe d a l c l e a r a n c e *1
Vehicles without scuff lights
Vehicles with scuff lights3.1 in. (78 mm) Min.
3.1 in. (80 mm) Min.
Pedal free play0.04  0.24 in. (1  6 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake pedal travel *28  11 clicks
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
Free playLess than 1.2 in. (30 mm)

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Tires and wheels
Ty p e A
Ty p e B
Ti r e s i z eP215/55R17 93V, T145/70D17 106M (spare)
Tire inflation pressure
(recommended cold tire
inflation pressure)
Driving under normal conditions Front:
33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Rear:
33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Spare:
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size17 × 7J, 17 × 4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z eP225/45R18 91W, T145/ 70D17 106M (spare)
Tire inflation pressure
(recommended cold tire
inflation pressure)
Driving under normal conditions
Front:
33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Rear:
32 psi (220 kPa, 2.2 kgf/cm
2 or bar)
Spare:
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size18 × 7 1 /2J, 17 × 4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

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Light bulbs
A: HB3 halogen bulbs
B: Double end bulbs
C: Wedge base bulbs (clear)
D: Wedge base bulbs (amber)
E: H11 halogen bulbs
F: Single end bulbs
Light BulbsBulb No.WTy p e
Exterior
LED headlights
High beam
Halogen headlights
High beam
Low beam
9005
9005
H1160
6055A
A E
Front side marker lightsW5W5C
Front turn signal lights3457NA28 /8F
Parking lightsW5W5C
Front fog lightsH1155E
Rear turn signal lightsWY21W21D
Back-up lightsW16W16C
License plate lightsW5W5C
Outer foot lights5C
Interior
Vanity lights8C
Front interior lights/Personal lights8C
Rear interior light8B
Tr u n k l i g h t3.8C
Door courtesy lights5C

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Fuel information
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only
accommodates the special nozzle on unleaded fuel pumps.
■Gasoline quality
In very few cases, driveability problems may be caused by the brand of gasoline you
are using. If driveability problems persist, try changing the brand of gasoline. If this
does not correct the problem, consult your Lexus dealer.
■Gasoline quality standards
●Automotive manufacturers in the U.S.A., Europe and Japan have developed a
specification for fuel quality called the World-Wide Fuel Charter (WWFC),
which is expected to be applied worldwide.
●The WWFC consists of four categories that are based on required emission
levels. In the U.S., category 4 has been adopted.
●The WWFC improves air quality by lowering emissions in vehicle fleets, and
improves customer satisfaction through better performance.
■Recommendation of the use of gasoline containing detergent additives
●Lexus recommends the use of gasoline that contains detergent additives to
avoid the build-up of engine deposits.
●All gasoline sold in the U.S.A. contains detergent additives to clean and/or keep
clean intake systems.
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should meet the specifications of
ASTM D4814 in the U.S.A. and CGSB3.5-M93 in Canada.

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