2012 Lexus HS250h reset

372
3-4. Using the hands-free phone system (for cellular phones)
HS250h_U_75050U
Listing the registered dataSelect “List Names” using a voice command or . The list of the
registered data will be read aloud.
When listing is complete, the system returns to the “Phonebook”.
Pressing the talk switch while the desired data is being read aloud selects
the data, and the following function will become available:
● Dialing: “Dial”
● Changing a registered name: “Change Name”
● Deleting an entry: “Delete Entry”
● Setting a speed dial: “Set Speed Dial (Speed Dial)”
Setting speed dials
Select “Set Speed Dial (Speed Dial)” using a voice command or .
Select the data to be registered as a speed dial by either of the
following methods, and select “Confirm” using a voice command
or :
a. Press the talk switch, say the desired name.
b. Press the talk switch, and say “List Names”. When the desired name is read aloud, press the talk switch.
Select the desired preset button, and register the data into speed
dial by either of the following methods:
a. Press the desired preset button, and select “Confirm” by using
a voice command or .
b. Press and hold the desired preset button.

373
3-4. Using the hands-free phone system (for cellular phones)
3
Interior features
HS250h_U_75050U
Deleting the registered dataSelect “Delete Entry” using a voice command or .
Select the data to be deleted by either of the following methods,
and select “Confirm” using a voice command or :
a. Press the talk switch, and say the name of the desired phonenumber.
b. Press the talk switch, say “List Names”. When the name of the desired phone number is read aloud, press the talk switch.
Deleting speed dials
Select “Delete Speed Dial (Del Spd Dial)” using a voice com-
mand or .
Press the preset button to which the desired speed dial is regis-
tered, and select “Confirm” using a voice command or .
■Limitation of number of digits
A phone number that exceeds 24 digits cannot be registered.

424
4-2. Maintenance
HS250h_U_75050U
■Reset the maintenance data (U.S.A. only)
After the required maintenance is performed according to the maintenance sched-
ule, please reset the maintenance data.
To reset the data, follow the procedures described below:Switch the display to the trip meter “A” when the hybrid system is operat-
ing. (→P. 1 7 0 )
Turn the “POWER” switch off.
While pressing the trip meter reset button ( →P. 170), turn the “POWER”
switch to ON mode (do not start the hybrid system because otherwise
the reset mode will be canceled). Continue to press and hold the button
until the trip meter displays “000000” and the multi-information display
indicates that the reset is complete.
■Allow inspection and repairs to be performed by a Lexus dealer
●Lexus technicians are well-trained specialists and are kept up to date with the
latest service information. They are well informed about the operation of all sys-
tems on your vehicle.
●Keep a copy of the repair order. It proves that the maintenance that has been
performed is under warranty coverage. If any problem should arise while your
vehicle is under warranty, your Lexus dealer will promptly take care of it.

453
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U■
How to initialize the tire pressure warning system
Park the vehicle in a safe place and turn the “POWER” switch off.
Initialization cannot be performed while the vehicle is moving.
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. ( →P. 567)
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the “POWER” switch to ON mode.
Press and hold the tire pressure warning reset switch until the tire
pressure warning light blinks slowly 3 times and the message
“TIRE PRESSURE RESET PROCEEDING” appears on the
multi-information display.
Wait for a few minutes with the “POWER” switch in ON mode
and then turn the “POWER” switch off.
Registering ID codes
The tire pressure warning valve and transmitter is equipped with a unique
ID code. When replacing a tire pressure warning valve and transmitter, it
is necessary to register the ID code. Have the ID code registered by your
Lexus dealer.

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4-3. Do-it-yourself maintenance
HS250h_U_75050U
■If you press the tire pressure warning reset switch accidentally
If initialization is performed, adjust the tire inflation pressure to the specified level
and initialize the tire pressure warning system again.
■When the initialization of the tire pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following cases,
the settings have not been recorded and the system will not operate properly. If
repeated attempts to record tire inflation pressure settings are unsuccessful, have
the vehicle inspected by your Lexus dealer.
●When operating the tire pressure warning reset switch, the tire pressure warn-
ing light does not blink 3 times and the setting message does not appear on the
multi-information display.
●After carrying out the initialization procedure, the tire pressure warning light
blinks for 1 minute then stays on after driving for 20 minutes.
■Tire pressure warning system certification
For vehicles sold in the U.S.A.
FCC ID: PAXPMV107J
FCC ID: HYQ13BCX
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
For vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.

457
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U
CAUTION
■When inspecting or replacing tires
Observe the following precautions to prevent accidents. Failure to do so may cause
damage to parts of the drive train as well as dangerous handling characteristics,
which may lead to an accident resulting in death or serious injury.
●Do not mix tires of different makes, models or tread patterns. Also, do not mix
tires of remarkably different treadwear.
●Do not use tire sizes other than those recommended by Lexus.
●Do not mix differently constructed tires (radial, bias-belted or bias-ply tires).
●Do not mix summer, all season and snow tires.
●Do not use tires that have been used on another vehicle.
Do not use tires if you do not know how they were used previously.
■When initializing the tire pressure warning system
Do not operate the tire pressure warning reset switch without first adjusting the tire
inflation pressure to the specified level. Otherwise, the tire pressure warning light
may not come on even if the tire inflation pressure is low, or it may come on when
the tire inflation pressure is actually normal.

5
When trouble arises
507
5-2. Steps to take in an emergency
HS250h_U_75050U
■SRS warning light
This warning light system monitors the airbag sensor assembly, front airbag sensors,
side and curtain shield airbag sensors, curtain shield and rear side airbag sensors,
driver’s seat position sensor, driver’s seat belt buckle switch, front passenger occu-
pant classification system (ECU and sensors), “AIR BAG ON” indicator light, “AIR
BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat belt pre-
tensioner assemblies, inflators, interconnecting wiring and power sources. (→P.
109)
■Front passenger detection sensor, passen ger seat belt reminder and warning
buzzer
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash and the warning buzzer to sound
even if a passenger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the warn-
ing buzzer may sound.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch will not turn off the tire pressure warning light.

5
When trouble arises
517
5-2. Steps to take in an emergency
HS250h_U_75050U
(Flashes)
(If equipped)
Indicates that the moon
roof is not fully closed A buzzer also sounds.
(With the “POWER”
switch off, and the
driver's door open)
Close the moon roof.
Indicates that the parking
brake is still engagedIf the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to indicate that
the parking brake is still
engaged.
Release the parking
brake.
Indicates that the washer
fluid level is lowAdd washer fluid.
(U.S.A. only)
Indicates that all mainte-
nance according to the
driven distance on the
maintenance schedule*
1
should be performed
soon.
If necessary, perform
maintenance.
Comes on approximately
4500 miles (7200 km)
after the maintenance
data has been reset.
Wa r n i n g m e s s a g eDetailsCorrection procedure