2010 Lexus IS250 tow

101
1-7. Safety information
1
Before driving
IS350/250_U
CAUTION
■SRS airbag precautions
●Do not sit on the edge of the seat or lean
against the dashboard.
●Do not allow a child to stand in front of the
SRS front passenger airbag unit or sit on
the knees of a front passenger.
●Do not drive the vehicle while the driver or
passenger have items resting on their
knees.
●Do not lean against the door, the roof side
rail or the front, side and rear pillars.
●Do not allow anyone to kneel on the pas-
senger seat toward the door or put their
head or hands outside the vehicle.

When driving2
123
IS350/250_U
2-1. Driving proceduresDriving the vehicle.................. 124
Engine (ignition) switch ......... 134
Automatic transmission ........ 139
Manual transmission .............. 145
Turn signal lever ....................... 147
Parking brake ........................... 148
Horn ............................................ 150
2-2. Instrument cluster Gauges and meters ................. 151
Indicators and warning lights ......................................... 157
Multi-information display ..... 160
2-3. Operating the lights and windshield wipers
Headlight switch...................... 165
Fog light switch ........................ 168
Windshield wipers and washer ..................................... 169
Headlight cleaner switch....... 174 2-4. Using other driving
systems
Cruise control........................... 175
Dynamic radar cruise control ...................................... 179
Intuitive parking assist ........... 190
Driving assist systems ............ 196
PCS (Pre-Collision System) ...... 202
2-5. Driving information Cargo and luggage ............... 206
Vehicle load limits .................. 209
Winter driving tips .................. 210
Trailer towing ........................... 214
Dinghy towing (vehicles with an
automatic transmission)..... 215
Dinghy towing (vehicles with a
manual transmission) .......... 216

165
2
When driving
IS350/250_U
2-3. Operating the lights and windshield wipers
Headlight switch
Turning on the high beam headlightsWith the headlights on, push the
lever forward to turn on the high
beams.
Pull the lever back to the center
position to turn the high beams off.
Pull the lever toward you to turn
on the high beams.
Release to turn them off. You can
flash the high beams with the head-
lights on or off.
The headlights can be operated manually or automatically.
The side marker, parking,
tail, license plate and
instrument panel lights
turn on.
The headlights and all
lights listed above turn
on.
The headlights, parking
lights and other lights
turn on and off automati-
cally.
(When the “ENGINE
START STOP” switch is
in IGNITION ON
mode)
U.S.A.Canada

173
2-3. Operating the lights and windshield wipers
2
When driving
IS350/250_U
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■When a nozzle becomes blocked
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually.

176
2-4. Using other driving systems
IS350/250_U
■Adjusting the speed setting
Increase speed
Decrease speed
Hold the lever until the desired
speed setting is obtained.
Fine adjustment of the set
speed (approximately 1.0 mph
[1.6 km/h]) can be made by
lightly pressing the lever up or
down and releasing it.
■Canceling and resuming regular acceleration
Cancel
Push the lever towards you to
cancel cruise control.
The speed setting is also can-
celed when the brakes are
applied or the clutch (manual
transmission) is depressed.
Resume
To resume cruise control and
return to the set speed, push the
lever up.

178
2-4. Using other driving systems
IS350/250_U
CAUTION
■To avoid operating the cruise control by mistake
Keep the “ON-OFF” button off when not in use.
■Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in control of the vehicle being lost and could cause an accident
resulting in death or serious injury.
●In heavy traffic
●On roads with sharp bends
●On slippery roads, such as those covered with rain, ice or snow
●On steep hills
●On winding roads
●When your vehicle is towing a trailer

182
2-4. Using other driving systems
IS350/250_U
■Canceling and resuming the speed setting
Cancel
Push the lever towards you to
cancel cruise control.
The setting is also canceled
when the brakes are applied.
Resume
To resume cruise control and
return to the set speed, push the
lever up.
■Changing the vehicle- to-vehicle distance
Each push of the switch changes
the vehicle-to-vehicle distance
Long
Medium
Short
The vehicle-to-vehicle distance
is automatically set to the long
mode when the “ENGINE
START STOP” switch is
switched to IGNITION ON
mode.
A mark will be displayed to indi-
cate the presence of the vehicle
if a vehicle is running ahead of
you.
Preceding
vehicle mark

188
2-4. Using other driving systems
IS350/250_U
CAUTION
■Situations unsuitable for dynamic radar cruise control
Do not use dynamic radar cruise control in any of the following situations.
Doing so may result in inappropriate control of speed and could cause an accident
resulting in death or serious injury.
●In heavy traffic
●On roads with sharp bends
●On winding roads
●On slippery roads, such as those covered with rain, ice or snow
●On steep downhills, or where there are sudden changes between sharp up and
down gradients
●At entrances to expressways
●When weather conditions are bad enough that they may prevent the sensors
from functioning correctly (fog, snow, sandstorm, etc.)
●When a buzzer can be heard often
●When your vehicle is towing a trailer
■When the radar sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you.
As the sensor may not be able to correctly detect these types of vehicles, the prox-
imity alarm (→P. 480) will not be activated, and an accident may result.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving
●Vehicles with small rear ends (trailers with no load on board etc.)
●Motorcycles traveling in the same lane