2010 Lexus IS250C tow

127
1-7. Safety information
1
Before driving
10_IS250C/350C_UPass the end of the top tether strap
through the gap between the seat
and the head restraint. Fold the
head restraint forward into the
stowed position. (
→P. 6 2 ) O p e n
the anchor bracket cover, latch the
hook onto the anchor bracket and
tighten the top tether strap. Return
the head restraint to the upright
position.
Make sure the top tether strap is
securely latched.
Close the anchor bracket cover
after install the child restraint sys-
tem.
STEP2
■When installing a child restraint system with lower anchors and a top tether strap
Depending on the child restraint system's size and shape, if the child restraint sys-
tem is installed to the LATCH anchors first, it may not be possible to attach the top
tether strap to the anchor bracket.
In that case, first temporarily attach the top tether strap to the anchor bracket, install
the child restraint system using the lower anchors and then tighten the top tether
strap.
■Laws and regulations pe rtaining to anchorages
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifications
can be used.
This vehicle is designed to conform to the SAE J1819.

When driving2
131
10_IS250C/350C_U
2-1. Driving proceduresDriving the vehicle.................. 132
Engine (ignition) switch ......... 142
Automatic transmission ........ 147
Manual transmission .............. 154
Turn signal lever ....................... 156
Parking brake ........................... 157
Horn ............................................ 158
2-2. Instrument cluster Gauges and meters ................ 159
Indicators and warning lights ......................................... 165
Multi-information display ..... 168
2-3. Operating the lights and windshield wipers
Headlight switch...................... 173
Fog light switch ......................... 176
Windshield wipers and washer ..................................... 177
Headlight cleaner switch...... 182 2-4. Using other driving
systems
Cruise control.......................... 183
Dynamic radar cruise control ..................................... 187
Intuitive parking assist ........... 198
Driving assist systems ........... 204
Hill-start assist control .......... 210
PCS (Pre-Collision System) ....... 212
2-5. Driving information Cargo and luggage ................ 216
Vehicle load limits ................... 219
Winter driving tips ................. 220
Trailer towing .......................... 224
Dinghy towing (vehicles with an
automatic transmission).... 225
Dinghy towing (vehicles with a
manual transmission) ......... 226

173
2
When driving
10_IS250C/350C_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.
Off
The side marker, park-
ing, tail, license plate
and instrument panel
lights turn on.
The headlights and all
the lights listed above
turn on.
The headlights and
side marker, parking,
tail, license plate and
instrument panel lights
turn on and off auto-
matically (when the
“ENGINE START
STOP” switch is in
IGNITION ON
mode).
U.S.A.Canada

181
2-3. Operating the lights and windshield wipers
2
When driving
10_IS250C/350C_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.

184
2-4. Using other driving systems
10_IS250C/350C_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.

186
2-4. Using other driving systems
10_IS250C/350C_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 anything

190
2-4. Using other driving systems
10_IS250C/350C_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

195
2-4. Using other driving systems
2
When driving
10_IS250C/350C_U
CAUTION
■Before using dynamic radar cruise control
Do not overly rely on vehicle-to-vehicle distance control.
Be aware of the set vehicle speed. If automatic deceleration/acceleration is not
appropriate, adjust the vehicle speed, as well as the distance between your vehicle
and vehicles ahead by applying the brakes, etc.
■To avoid inadvertent cruise control activation
Keep the “ON-OFF” button off when not in use.
■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.)
●Where buzzer can be heard often
●When your vehicle is towing anything