2012 Lexus HS250h parking brake

546
5-2. Steps to take in an emergency
HS250h_U_75050UTo change “POWER” switch modes: Within 10 seconds of the
buzzer sounding, release the brake pedal and press the
“POWER” switch. Modes can be ch
anged each time the switch is
pressed. (→ P. 153)
To start the hybrid system: Press the “POWER” switch within 10
seconds of the buzzer sounding, keeping the brake pedal
depressed.
In the event that the hybrid system still cannot be operated, contact your
Lexus dealer.
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the “POWER” switch as
you normally do when stopping the hybrid system. ( →P. 1 5 3 )
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.
(→ P. 4 6 7 )
■When the electronic key does not work properly
Make sure that the smart access system with push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features →P. 5 8 4 )

5
When trouble arises
549
5-2. Steps to take in an emergency
HS250h_U_75050U
■Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■When the 12-volt battery is discharged
●The hybrid system may not start. (→P. 4 4 8 )
●If the 12-volt battery is depleted with the shift position in P, it will not be possible
to shift out of P. In this case, the vehicle cannot be towed without lifting both
front wheels because the front wheels are locked by the parking lock.
(→ P. 4 9 5 )
●When the 12-volt battery is reconnected, start the hybrid system, depress the
brake pedal, and confirm that it is possible to shift into each shift position.
■Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of certain
electrical appliances. If the vehicle is left for a long time, the 12-volt battery may dis-
charge, and the hybrid system may be unable to start. (The 12-volt battery
recharges automatically while the hybrid system is operating.)
Make sure the “READY” indicator comes on. If the indicator
does not come on, contact your Lexus dealer.
Once the hybrid system has started, remove the jumper cables
in the exact reverse order from which they were connected.
Close the exclusive jump starting terminal cover and reinstall
the fuse box cover.
Once the hybrid system starts, ha ve the vehicle inspected at your
Lexus dealer as soon as possible.

556
5-2. Steps to take in an emergency
HS250h_U_75050U
If the vehicle becomes stuck
■When changing the shift position
Depress the brake pedal and ensure that the vehicle has stopped completely
before changing the shift position. Failure to do so could cause the rejection func-
tion to be activated, canceling the shift position change, or causing the shift position
to change to N automatically.
CAUTION
■When attempting to free a stuck vehicle
If you choose to rock the vehicle back and forth to free it, make sure the surround-
ing area is clear to avoid striking other vehicles, objects or people. The vehicle may
also lunge forward or lunge back suddenly as it becomes free. Use extreme cau-
tion.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an
accident resulting in death or serious injury.
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt or snow:
Apply the parking brake, change the shift position to P and
stop the hybrid system.
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other material under the tires to
help provide traction.
Restart the hybrid system.
Make sure to change the shift position to D or R, release the
parking brake, and then carefully depress the accelerator
pedal.
Turn off the TRAC and VSC systems if these functions are hamper-
ing your attempts to free the vehicle. ( → P. 2 3 9 )

566
6-1. Specifications
HS250h_U_75050U
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)

584
HS250h_U_75050U
6-2. Customization
Customizable features
Customizing vehicle featuresIt is possible to customize certain vehicle features using the multi-infor-
mation switches.
Before starting customization, stop the vehicle in a place where work can
be performed safely. Firmly apply the parking brake, and then press the P
position switch to shift the shift position to P. Press and hold the menu switch of
the multi-information switches to
display customization mode.
Your vehicle includes a variety of electr onic features that can be personal-
ized to suit your preferences. Programming these preferences requires
specialized equipment and may be performed by your Lexus dealer.
It is also possible to customize cert ain vehicle features yourself using the
multi-information switches and the navigation screen
*.
Some function settings are changed simultaneously with other functions
being customized. Contact your Lexus dealer for further details.
*: For instructions on customizing vehicle features using the naviga- tion screen, refer to the “Navigation System Owner’s Manual”.

615
Alphabetical index
HS250h_U_75050U
Back-up lightsReplacing light bulbs .........................481
Wattage .................................................568
Battery
Checking ................................................447
If the vehicle has a discharged 12-volt battery .................................. 547
Preparing and checking
before winter.................................... 258
Bluetooth
®* ........................................... 325
Bottle holders ........................................ 383
Brake Fluid .......................................................... 566
Parking brake ........................................ 167
Brake assist ............................................. 238
Break-in tips ............................................. 143
Brightness control Instrument panel light
control ................................................... 170
Care Exterior ..................................................... 416
Interior..................................................... 420
Seat belts ................................................. 421
Cargo capacity ......................................257
CD changer* ..........................................287
CD player* ..............................................287
Chains....................................................... 259
Child restraint system Booster seats, definition................... 126
Booster seats, installation ................130
Convertible seats, definition .......... 126
Convertible seats, installation .......130
Front passenger occupant
classification system ......................... 121 Infant seats, definition .........................126
Infant seats, installation ..................... 130
Installing CRS with LATCH
anchors................................................... 131
Installing CRS with seat belts ........ 133
Installing CRS with top tether straps ......................................................137
Child safety
Airbag precautions .............................. 116
Child restraint system ........................126
Child-protectors ................................... 62
How your child should wear the seat belt .......................................... 79
Installing child restraints................... 130
Moon roof precautions......................96
Power window lock switch ..............90
Power window precautions ............ 92
Removed electronic key battery
precautions....................................... 468
Seat belt extender precautions...... 82
Seat belt precautions ......................... 80
Seat heater precautions................. 390
Trunk precautions.................................66
12-volt battery precautions ...........449
Child-protectors ...................................... 62
Cleaning Exterior..................................................... 416
Interior .....................................................420
Seat belts ..................................................421
Climate control*
Clock* ....................................................... 387
Coin holder ............................................ 380
Compass ..................................................404
Condenser .............................................. 444
Console box ........................................... 379
B
*: For vehicles with a navigation system, refer to “Navigation System Owner’s Manual”.
C

620
Alphabetical index
HS250h_U_75050U
Outside rear view mirrorsAdjusting and folding ......................... 87
Driving position memory................... 72
Mirror position memory ....................72
Outside rear view mirror defogger switch* ............................... 274
Outside temperature display.............177
Overhead console ...............................384
Overheating, Engine...........................552
Overheating, Hybrid system ...........552
Parking brake ...........................................167
Parking lights Replacing light bulbs......................... 481
Switch ......................................................... 191
Wattage................................................. 568
PCS ............................................................ 245
Personal lights Personal lights ..................................... 375
Switch ...................................................... 375
Wattage................................................. 568
Power easy access system................... 69
Power outlet........................................... 388
Power switch ........................................... 152
Power windows ........................................90
Pre-collision system.............................245
Radar cruise control ............................. 216
Radiator .................................................... 444
Radio* ....................................................... 279
Radio data system* ............................... 281
RDS* ........................................................... 281
Rear side marker lights Replacing light bulbs..........................491
Wattage................................................. 568
Rear sunshade .......................................392 Rear turn signal lights
Replacing light bulbs ......................... 481
Wattage .................................................568
Rear view mirror
Compass ............................................... 404
Rear view monitor system*
Rear window defogger* .....................274
Remote Touch*
Replacing Electronic key battery ......................467
Fuses........................................................ 469
Light bulbs .............................................. 481
Tires.......................................................... 532
Reporting safety defects for
U.S. owners..........................................598
Reset the maintenance data ............ 424
Safety connect .......................................408
Scuff lighting ........................................... 374
Seat belts
Adjusting the seat belt ........................78
Automatic Locking Retractor ......... 79
Child restraint system installation ............................................ 130
Cleaning and maintaining the seat belt......................................... 421
Emergency Locking Retractor ...... 79
How to wear your seat belt ............. 77
How your child should wear the seat belt........................................... 79
Pre-collision seat belts.................... 245
Pregnant women, proper seat belt use ......................... 79
Reminder light.....................................505
Seat belt extenders.............................. 80
Seat belt pretensioners ......................78
P
R
S

623
Alphabetical index
HS250h_U_75050U
Warning buzzersBrake system ....................................... 502
Open door ..........................................505
Seat belt reminder ............................505
Warning lights AFS OFF ...............................................503
Anti-lock brake system ..................503
Brake assist system ..........................503
Brake system ....................................... 502
Charging system ............................... 502
Cruise control .....................................503
Electric power steering
warning light .....................................503
Electronic engine control
system..................................................503
High coolant temperature ............ 502
LKA ..........................................................503
Low fuel level.......................................505
Low tire pressure ..............................505
Malfunction indicator lamp ..........503
Master warning light ........................505
Open door ...........................................505
Pre-collision system .........................503
Pretensioner.........................................503
Radar cruise co ntrol ........................503
Seat belt reminder light ..................505
Slip indicator ........................................503
SRS airbags ..........................................503
Tire pressure warning light...........505 Warning messages
Cruise control....................................... 513
Dynamic radar cruise control .........................................513, 516
Electric power steering system ................................................... 513
Engine oil maintenance ................... 516
Engine oil pressure ............................ 512
EV drive mode..................................... 516
Headlight................................................. 513
Hood ......................................................... 516
Hybrid system....................................... 512
Intuitive parking assist .............513, 516
Key.............................................................524
Lane-Keeping Assist ......................... 516
Moon roof .............................................. 516
Open door ............................................. 516
Parking brake ....................................... 516
Pre-collision system.................513, 516
Smart access system with push start ............................................524
Tire pressure warning
system ................................................... 516
Trunk ......................................................... 516
Washer fluid .......................................... 516
Washer
Checking ...............................................446
Preparing and checking before winter ................................... 258
Switch.......................................................204
Washing and waxing ............................ 416
Weight Cargo capacity ................................... 257
Load limits ............................................. 257
Weight.................................................... 560
*: For vehicles with a navigation system, refer to “Navigation System Owner’s Manual”.
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