2010 Lexus HS250h indicator

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2-4. Using other driving systems
2
When driving
HS250h_U_75033U(Canada)■
Turning off both TRAC and VSC systems
To turn the TRAC and VSC sys-
tems off, press and hold the button
for more than 3 seconds while the
vehicle is stopped.
A message will be shown on the
multi-information display and
“VSC OFF” indicator will come on.
Press the button again to turn the
systems back on.
■Sounds and vibrations caused by the ABS, brake assist, VSC and TRAC
●A sound may be heard from the engine compartment when the hybrid system is
started, just after the vehicle begins to move, if the brake pedal is depressed
forcefully or repeatedly, or 1-2 minutes after the hybrid system is stopped. This
sound does not indicate that a malfunction has occurred in any of these systems.
●Any of the following conditions may occur when the above systems are operat-
ing. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.
■EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
■Reactivation of the TRAC /VSC systems
Turning off the hybrid system after turning off the TRAC/VSC systems will automat-
ically reactivate them.
■Reactivation of the TRAC system linked to vehicle speed
When only the TRAC system is turned off, the TRAC system will turn on when vehi-
cle speed increases. However, when both TRAC and VSC systems are turned off,
the systems will not turn on even when vehicle speed increases.

228
2-4. Using other driving systems
HS250h_U_75033U(Canada)
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from over-
heating when there is frequent steering input over an extended period of time. The
steering wheel may feel heavy as a result. Should this occur, refrain from excessive
steering input or stop the vehicle and turn the hybrid system off. The EPS system
should return to normal within 10 minutes.
CAUTION
■The ABS does not operate effectively when
●Tires with inadequate gripping ability are used (such as excessively worn tires on
a snow covered road).
●The vehicle hydroplanes while driving at high speed on wet or slick road.
■Stopping distance when the ABS is operating will exceed that of normal condi-
tions
The ABS is not designed to shorten the vehicle’s stopping distance. Always main-
tain a safe distance from the vehicle in front of you in the following situations:
●When driving on dirt, gravel or snow-covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with potholes or roads with uneven surfaces
■TRAC may not operate effectively when
Directional control and power may not be achievable while driving on slippery road
surfaces, even if the TRAC system is operating.
Do not drive the vehicle in conditions where stability and power may be lost.
■When the VSC is activated
The slip indicator light flashes and a warning buzzer sounds. Always drive carefully.
Reckless driving may cause an accident. Exercise particular care when the indica-
tor light flashes and a buzzer sounds.
■When the TRAC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As
these are the systems to ensure vehicle stability and driving force, do not turn the
TRAC/VSC systems off unless necessary.

230
2-4. Using other driving systems
HS250h_U_75033U(Canada)
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 brake 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 reduce 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 the 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 vehicle 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
HS250h_U_75033U(Canada)
■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 vehicle within approximately 2 seconds ofreleasing 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 the system. Contact your Lexus dealer.
CAUTION
■Hill-start assist control
●Do not overly rely on hill-start assist control. Hill-start assist control may not oper-
ate effectively on extremely steep inclines or roads covered in ice.
●Unlike the parking brake, hill-start assist control is not intended to hold the vehi-
cle stationary for an extended period of time. Do not attempt to use hill-start
assist control to hold the vehicle on an incline for an extended period of time, as
doing so may lead to an accident.

253
3-1. Using the air conditioning system and defogger
3
Interior features
HS250h_U_75033U(Canada)
Using automatic air conditioning system
Press .
The air conditioning system begins to operate. Air outlets and fan
speed are automatically adjusted according to the temperature
setting.
Press “∧” on to increase the temperature and “ ∨” to
decrease the temperature.
When is pressed (the indicator on is on) or the passen-
ger’s side temperature control button is pressed, the temperature for
the driver and passenger seats can be adjusted separately.

254
3-1. Using the air conditioning system and defogger
HS250h_U_75033U(Canada)
Adjusting the settings manually■ Basic setting
To turn on the air conditioning system and adjust the fan speed,
press “ ∧” on to increase the fan speed and “∨ ” on to
decrease the fan speed.
Press to turn the fan off.
To adjust the temperature setting, press “ ∧” on to increase
the temperature and “ ∨” to decrease the temperature.
When is pressed (the indicator on is on) or the passen-
ger’s side temperature control button is pressed, the temperature for
the driver and passenger seats can be adjusted separately.
To change the air outlets, press .
The air outlets used are switched each time the button is pressed. The
air flow shown on the display indicates the following:
Air flows to the upper body.

274
3-2. Using the audio system
HS250h_U_75033U(Canada)
Loading a CD■ Loading a CD
Press .
“WAIT” is shown on the display.
When the indicator on the slot turns from amber to green, insert a
CD.
The display changes from “WAIT” to “LOAD”.
■Loading multiple CDs
Press and hold until you hear a beep.
“WAIT” is shown on the display.
When the indicator on the slot turns from amber to green, insert a
CD.
The display changes from “WAIT” to “LOAD”.
The indicator on the slot turns to amber when the CD is being inserted.
When the indicator on the slot turns from amber to green, insert
the next CD.
Repeat the procedure for the remaining CDs.
To cancel the operation, press . If you do not insert a disc within
15 seconds, loading will be canceled automatically.

375
3-7. Other interior features
3
Interior features
HS250h_U_75033U(Canada)
Seat heaters and ventilators∗
∗: If equipped
■The seat heaters/ventilators can be used when
The “POWER” switch is in ON mode.
■When not in use
Set the knob at “0”. The indicator light turns off.
The seat heaters and ventilators heat the seats and maintain good airflow
by blowing air from the seats.
Seat heatersTurns the seat heater on
The indicator light comes on.
The higher the number is, the
warmer the seat becomes.
Seat heaters/ventilatorsTurns the seat heater on
The indicator light (green)
comes on.
The higher the number is, the
warmer the seat becomes.
Blows air from the seat
The indicator light (green)
comes on.
The higher the number is, the
stronger the airflow becomes.