engine Lexus IS250 2009 Manual PDF

206
2-5. Driving information
08_IS350/250_U_(L/O_0808)
Dinghy towing (vehicles with a manual transmission)
Towing your vehicle with 4 wheels on the groundTo prevent damage to your vehicle, perform the following procedures
before towing. Shift the shift lever to neutral.
Switch to ACCESSORY mode. (
P. 1 2 8 )
Ensure that the audio system and other powered devices have been
turned off.
Release the parking brake.
After towing, leave the engine in idle for at least 3 minutes before driv-
ing the vehicle.
■Necessary equipment and accessories
Specialized equipment and accessories are required for dinghy towing. Contact
the service branch of the motor home manufacturer regarding recommended
equipment.
Your vehicle can be dinghy towed in a forward direction (with 4 wheels on
the ground) behind a motor home.
STEP1
STEP2
STEP3

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2-5. Driving information
2
When driving
08_IS350/250_U_(L/O_0808)
NOTICE
■Dinghy towing direction
■To prevent the steering from locking
Ensure the “ENGINE START STOP” switch is in ACCESSORY mode.
Do not tow the vehicle backwards.
Doing so may cause serious damage.

217
3-1. Using the air conditioning system and defogger
3
Interior features
08_IS350/250_U_(L/O_0808)
■Automatic mode for air intake control (IS350 only)
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
■Micro dust and pollen filter
●In order to prevent the window from fogging up when the outside air is cold, the
following may occur.
• Outside air mode does not switch to .
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .
CAUTION
■To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The dif-
ference between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the automatic air conditioning system on longer than necessary when
the engine is off.

218
3-1. Using the air conditioning system and defogger
08_IS350/250_U_(L/O_0808)
Rear window and outside rear view mirror defoggers
■The defogger can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the outside surface of the rear view mirror, as it can become very hot
and burn you.
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
On/off
The defoggers will automatically
turn off after approximately 15
minutes.

221
3-2. Using the audio system
3
Interior features
08_IS350/250_U_(L/O_0808)
NOTICE
■To prevent battery discharge
Do not leave the audio system on longer than necessary with the engine off.
■To avoid damaging the audio system
Take care not to spill drinks or other fluids over the audio system.

247
3
Interior features
08_IS350/250_U_(L/O_0808)
3-3. Using the interior lights
Interior lights list
Your Lexus is equipped with the illuminated entry system to assist in enter-
ing the vehicle. Owing to the function of the system, the lights shown in the
following illustration automatically turn on/off according to the presence of
the electronic key, whether the door s are locked/unlocked, whether the
doors are opened/closed, and the “ENGINE START STOP” switch mode.
Front personal lights (
P. 2 4 9 )
Front interior light (
P. 2 4 9 )
Front overhead courtesy light
Rear personal lights (
P. 2 4 9 )
Rear interior light
Rear overhead courtesy light
Shift lever light (when “ENGINE START STOP” switch is in
ACCESSORY or IGNITION ON mode)
Front foot well lighting

252
3-4. Using the storage features
08_IS350/250_U_(L/O_0808)
Console boxesFront Pull up the knob to release the
lock.
Slide the armrest.
Pull up the knob to release the
lock.
Lift the armrest to open.
Rear (if equipped) Press the button to release the
lock.
Lift the armrest to open.
■Glove box light
The glove box light turns on when the “ENGINE START STOP” switch is in IGNI-
TION ON mode.
■Trunk opener main switch
The trunk opener main switch located in the glove box. (

P. 4 3 )
CAUTION
■Caution while driving
Keep the glove box closed.
Injuries may result in the event of an accident or sudden braking.
Glove box and console boxes

253
3-4. Using the storage features
3
Interior features
08_IS350/250_U_(L/O_0808)
Overhead consoleThe overhead console is useful for
temporarily storing sunglasses and
similar small items.
■Console box light (front)
The console box light turn on when the “ENGINE START STOP” switch is in IGNI-
TION ON mode.
■Using the front console box to store CD cases
CAUTION
■Caution while driving
Keep the console box closed.
Injuries may result in the event of an accident or sudden braking.
Store a CD case with the hinged portion fac-
ing either the front or back of the console
box.
Console boxes and overhead console

259
3-5. Other interior features
3
Interior features
08_IS350/250_U_(L/O_0808)
Clock
■The clock is displayed when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
Adjusts the hour.
Adjusts the minutes.
Rounds to the nearest hour.
*
*: e.g. 1:00 to 1:29
1:00
1:30 to 1:59

2:00

261
3-5. Other interior features
3
Interior features
08_IS350/250_U_(L/O_0808)
Change the settings.
Press the “ON/OFF” button to
change the settings (e.g. on/off).
■Items that can be set us ing the satellite switches
STEP3
Intuitive parking assist (
P. 180) on/off (if
equipped)
Tire pressure warning system initialization
(
P. 327)
ID code selection for tire air pressure system
(
P. 329)
AFS (Adaptive Front-lighting System) (
P. 1 5 7 )
on/off (if equipped)
Vehicle speed indicator on/off and speed setting
(
P. 144)
Tacho indicator on/off and engine speed (rpm)
setting (
P. 1 4 4 )