parking Lexus HS250h 2010 Basic Information Before Operation / LEXUS 2010 HS250H (OM75006U) Owner's Manual

160
2-1. Driving procedures
Parking brake
■Parking brake engaged warning buzzer
The buzzer sounds to indicate that parking b
rake is still engaged (with the vehicle
having reached a speed of 3 mph [5 km/h]). ( P. 5 0 6 )
NOTICE
■Before driving
Fully release the parking brake. 
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.
To set the parking brake, fully
depress the parking brake pedal
with your left foot while
depressing the brake pedal with
your right foot.

(Depressing the pedal again
r

eleases the parking brake.)
U.S.A.Canada

166
2-2. Instrument cluster
■Indicators
The indicators inform the driver of the operating state of the vehi-
cle’s various systems.
Turn signal indicator 
( P. 1 6 2 )“ECO MODE” indicator
(P. 1 5 8 )
(U.S.A.)
Headlight indicator 
( P. 1 8 3 )“PWR MODE” indicator 
( P. 1 5 8 )
(Canada)
Tail light indicator 
(  P. 1 8 3 )Cruise control indicator 
( P. 201, 205)
Headlight high beam 
indicator ( P. 1 8 5 )
(if equipped)
Radar cruise control 
indicator ( P. 2 0 5 )
(if equipped)
Automatic High Beam 
indicator 
( P. 188)
(if equipped)
“LKA” indicator 
( P. 2 1 8 )
Front fog light indicator 
( P. 1 9 4 )“SET” indicator 
(P. 201, 205)
“READY” indicator 
( P. 1 4 7 )
(if equipped)
Intuitive parking assist
indicator (Refer to “Navi-
gation System Owner’s
Manual”.)
EV drive mode indicator
(P. 1 5 2 )
(if equipped)
“AFS OFF” indicator 
( P. 1 8 5 )
Eco Driving Indicator
Light ( P. 1 3 8 )Slip indicator 
( P. 2 2 6 , 2 3 0 )
*1
*1*1, 2

171
2-2. Instrument cluster
2
When driving
Display order may vary depending on vehicle condition.
Electronic feature control contentsSetting electronic feature controls
AFS (if equipped)P. 1 8 5
Intuitive parking assist 
(if equipped)Refer to “Navigation System
Owner’s Manual”.
Other contentsDetails
Customization ( P. 5 7 2 )
Settings of functions such as the
door lock and light illumination time
can be changed
Dynamic radar cruise control 
(if equipped) ( P. 2 0 5 )Automatically displayed when using
the dynamic radar cruise control
LKA (Lane Keeping Assist) 
(if equipped) ( P. 2 1 7 )Automatically displayed when using
the lane keeping assist
PCS (Pre-Collision System) 
(if equipped) ( P. 232, 502, 505)Automatically displayed if there is a
possibility of collision.

173
2-2. Instrument cluster
2
When driving
■Average vehicle speed
Displays the average vehicle speed since the function was reset
The function can be reset by pushing the “ENTER” switch for longer than 1
second when the average vehicle speed is displayed.
■ Outside temperature
Displays the outside temperature
■ T
ire inflation pressure
Displays inflation pressure of each tir
e. There is no correlation between
the order of the displayed values and the tire positions.
It may take a few minutes to display the tire inflation pressure after the
“POWER” switch is turned to ON mode. It may also take a few minutes to
display the tire inflation pressure after the inflation pressure has been
adjusted.
■Electronic feature control can be turned on/off when
The “POWER” switch is in ON mode.
■Conditions for ending electronic feature control
In the following situations, the electronic feature control will end:
●The menu switch is pressed
●The radar cruise control is operated (if equipped)
●The lane keeping assist is operated (if equipped)
●Intuitive parking assist starts operating (if equipped)
●No action is performed for some time after the electronic feature control
screen is displayed
●A warning message appears after the electronic feature control screen is dis -
played

186
2-3. Operating the lights and windshield wipers
Press the “ENTER” switch to
change to OFF. 
The “AFS OFF” indicator will come
on.
Each pressing of the switch turns
AFS on and off.
Press the menu switch to change to
the norma
l display.
■Daytime running light system (if equipped)
To make your vehicle more visible to othe r dr
ivers, the headlights turn on automati-
cally (at a reduced intensity) whenever the hy
brid system is started and the parking
brake is released. Daytime running ligh ts are not designed for use at night.
For the U.S.A.: Daytime running lights can be turned off by operating the switch.
■Headlight control sensor
■Automatic light off system
●When the headlights come on: The headligh ts and tail lights turn off 30 seconds
after a door is opened and closed if the “POWER” switch is turned to ACCES -
SORY mode or turned off. (The lights turn off immediately if on the key is
pressed after all the doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically if the
“POWER” switch is turned to ACCESSORY mode or turned off and the
driver’s door is opened.
To turn the lights on again, turn the “POWER” s
witch to ON mode, or turn the light
switch off once and then back to or .
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield. 
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

193
2-3. Operating the lights and windshield wipers
2
When driving
NOTICE
■Limitations of the Automatic High Beam
Do not rely on the Automatic High Beam . Always drive safely, taking care to
observe your surroundings and turning high beam on or off manually if necessary.
■Notes when using the Automatic High Beam system
●Do not touch the camera sensor.
●Do not subject the inside rear view mirror or the camera sensor to a strong
impact.
●Do not disassemble the camera sensor.
●Do not spill liquid onto the inside rear view mirror or the camera sensor.
●Do not apply window tinting or stickers to the camera sensor or the area of wind-
shield near the camera sensor.
●Do not place items on the dashboard. There is a possibility that the camera sensor
will mistake items reflected in the windshield for streetlights, the headlights of
other vehicles, etc.
●Do not install a parking tag or any other accessories near or around the inside
rear view mirror and the camera sensor.
●Do not overload the vehicle.
●Do not modify the vehicle.
●Do not replace windshield wi th non-genuine windshield.
Contact your Lexus dealer.
Observe the following to ensure that the
Automatic High Beam functions correctly.

230
2-4. Using other driving systems
Hill-start assist control
■Hill-start assist control can be operated when
●The shift position is in a position other than P.
●The parking brake is not applied.
●The accelerator pedal is not depressed.
■Hill-start assist control
●While hill-start assist control is operating, the brakes remain automatically
applied after the driver releases the brak e pedal. The stop lights and the high
mounted stoplight turn on.
●Hill-start assist control operates for about 2 seconds after the brake pedal is
released.
●If the slip indicator does not flash and the buzzer does not sound when the brake
pedal is further depressed, slightly redu ce the pressure on the brake pedal (do
not allow the vehicle to roll backward) and then firmly depress it again. If the sys -
tem still does not operate, check if th e
operating conditions explained above
have been met.
Hill-start assist control helps to prevent the vehicle from rolling backwards
when starting on an incline or slippery slope.
To engage hill-start assist con -
trol, further depress the brake
pedal when the v
ehicle is
stopped completely.
A buzzer will sound once to
indicate the system is activated.
The slip indicator will also start
flashing.

231
2-4. Using other driving systems
2
When driving
■Hill-start assist control buzzer
●When hill-start assist control is activated, the buzzer will sound once.
●In the following situations, hill-start assist control will be canceled and the
buzzer will sound twice.
• No attempt is made to drive the vehi cle within approximately 2 seconds of
releasing the brake pedal.
•Push the P position switch.
• The parking brake is applied.
• The brake pedal is depressed again.
• The brake pedal has been depressed for more than approximately 3 minutes.
■If the slip indicator comes on
It may indicate a malfunction in th e system. Contact your Lexus dealer.
CAUTION
■Hill-start assist control
●Do not overly rely on hill-start assist cont rol. Hill-start assist control may not oper-
ate effectively on extremely steep inclines or roads covered in ice.
●Do not use hill-start assist control to stop or park the vehicle on an incline. Doing
so may cause an accident.

245
2-5. Driving information
2
When driving
Selecting tire chains
Use the correct tire chain size when mounting the tire chains. Chain size
is regulated for each tire size.
Side chain:0.12 in. (3 mm) in diameter
Cross chain:
0.16 in. (4 mm) in diameter
Regulations on the use of tire chains
Regulations regarding the use of tire chains vary depending on location
and type of road. Always check local regulations before installing chains.
■When parking the vehicle
Park the vehicle and push the P position switch and block the wheel
under the vehicle without setting the parking brake. The parking
brake may freeze up, preventing it from being released.
■Tire chain installation
Observe the following precautions when installing and removing chains:
●Install and remove tire chains in a safe location.
●Install tire chains on the front tires only. Do not install tire chains on the rear tires.
●Install tire chains on front tires as tightly as possible. Retighten chains after driv -
ing 1 /4 
1/2 mile (0.5  1.0 km).
●Install tire chains following the instru ctions provided with the tire chains.

394
3-7. Other interior features
■Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
●The vehicle is stopped immediately after turning.
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth’s magnetic field is subject to interfer-
ence by artificial magnetic fields (underground car park/parking lot, under a
steel tower, between buildings, roof car park/parking lot, near an intersection,
near a large vehicle, etc.).
●The vehicle has become magnetized. (There is a magnet or metal object near
the inside rear view mirror.)
●The battery has been disconnected.
●A door is open.
CAUTION
■While driving the vehicle
Do not adjust the display. Adjust the di splay only when the vehicle is stopped.
■When doing the circling calibration
Secure a wide space, and watch out for people and vehicles in the vicinity. Do not
violate any local traffic rules while performing circling calibration.
NOTICE
■To avoid compass malfunctions
Do not place magnets or any metal objects near the inside rear view mirror.
Doing this may cause the compass sensor to malfunction.
■To ensure normal operation of the compass
●Do not perform a circling calibration of the compass in a place where the earth’s
magnetic field is subject to interference by artificial magnetic fields.
●During calibration, do not operate elec tric systems (moon roof, power windows,
etc.) as they may interfere with the calibration.