Page 169 of 584
1694-2. Driving procedures
4
Driving
IS350/250_U (OM53C50U)
■If the shift lever cannot be shifted from P
P. 4 9 8
■AI-SHIFT
The AI-SHIFT automatically selects the suitab le gear according to driver performance
and driving conditions.
The AI-SHIFT automatically operates when the sh ift lever is in D. (Shifting the shift lever
to the M position cancels the function.)
CAUTION
■When driving on slippery road surfaces
Be careful of downshifting and sudden accele ration, as this could result in the vehicle
skidding to the side or spinning.
Page 170 of 584
1704-2. Driving procedures
IS350/250_U (OM53C50U)
The lever will return to its or iginal position after operation.
Right turn
Lane change to the right (move the
lever partway and release it)
The right hand signals will flash 3 times.
Lane change to the left (move the
lever partway and release it)
The left hand signals will flash 3 times.
Left turn
■If the turn signals do not stop flashing af ter turning left or right, or if you want
to stop them flashing
Operate the lever in the opposite direction to either position or . If you
move the lever to either position or , the selected turn signals will flash.
Turn signal lever
Operating instructions
1
2
3
4
23
14
Page 171 of 584
1714-2. Driving procedures
4
Driving
IS350/250_U (OM53C50U)
■Turn signals can be operated when
The engine switch is in IGNITION ON mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
■If the turn signals stop flashing before a lane change has been performed
Operate the lever again.
■Customization
The number of times the turn signals flash during a lane change can be changed.
(Customizable feature P. 5 3 7 )
Page 172 of 584
1724-2. Driving procedures
IS350/250_U (OM53C50U)
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 releases
the parking brake.)
■Parking brake engaged warning buzzer
P. 4 7 5
■Usage in winter time
P. 2 6 1
Parking brake
Operating instructions
U.S.A. Canada
NOTICE
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components overheat-
ing, which may affect braking perf ormance and increase brake wear.
Page 173 of 584
173
4
Driving
IS350/250_U (OM53C50U)4-3. Operating the lights and wipers
Turning the end of the lever turns on the lights as follows:
Headlight switch
The headlights can be operated manually or automatically.
Operating instructions
U.S.A. Canada
The side marker, parking, tail,
license plate and instrument
panel lights turn on.
The headlights and all lights
listed above turn on.
The headlights, daytime run-
ning lights and all the lights
listed above turn on and off
automatically.
(When the engine switch is in
IGNITION ON mode.)
Off
The daytime running lights
turn on.1
2
3
4
(U.S.A.)
(Canada)
Page 174 of 584

1744-3. Operating the lights and wipers
IS350/250_U (OM53C50U)
With the headlights on, push the
lever away from you to turn on the
high beams.
Pull the lever toward you to the center
position to turn the high beams off.
Pull the lever toward you and release
it to flash the high beams once.
You can flash the high beams with the
headlights on or off.
■Daytime running light system
●To make your vehicle more visible to other drivers, the parking lights turn on automati-
cally (at an increased intensity) whenever th e engine is started and the parking brake is
released. Daytime running lights ar e not designed for use at night.
●Compared to turning on the headlights, the daytime running light system offers greater
durability and consumes less electricity, so it can help improve fuel economy.
■Headlight control sensor
■Automatic light off system
When the light switch is in , or : The headlights and tail lights turn off 30
seconds after the engine switch is turned to ACCESSORY mode or turned off and a
door is opened and all of the doors and trunk are closed. (The lights turn off immediately
if on the key is pressed twice after all the doors are closed.)
To turn the lights on again, turn the engine switch to IGNITION ON mode, or turn the
light switch off once and then back to or .
If any of the doors or trunk lid is left open, the lights automatically turn off after 20 min-
utes.
■Automatic headlight leveling system
The level of the headlights is automatically ad justed according to the number of passen-
gers and the loading condition of the vehicle to ensure that the headlights do not inter-
fere with other road users.
Turning on the high beam headlights
1
2
The sensor may not function properly if an
object is placed on the sensor, or anything that
blocks the sensor is affixed to the windshield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.
Page 175 of 584
1754-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53C50U)
■Light reminder buzzer
A buzzer sounds when the engine switch is turned off or turned to ACCESSORY mode
and the driver’s door is opened while the lights are turned on.
■Operation guide display (vehicles with rain-sensing windshield wipers only)
When the headlight switch is operated to and from the “AUTO” position, the current sta-
tus is displayed on the meters for a few seconds to show that AUTO mode is activated/
deactivated. (P. 8 9 )
■Customization
Settings (e.g. light sensor se nsitivity) can be changed.
(Customizable features: P. 5 3 7 )
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than ne cessary when the engine is not running.
Page 176 of 584
1764-3. Operating the lights and wipers
IS350/250_U (OM53C50U)
Push the lever away from you with
the headlight switch in the or position.
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
come on when the headlights are turned
on automatically to indicate that the sys-
tem is active.
Automatic High Beam
: If equipped
The Automatic High Beam uses an in-v ehicle camera sensor to assess the
brightness of streetlights, the lights of oncoming and preceding vehicles, etc.,
and automatically turns the high beam on or off as necessary.
Activating the Automatic High Beam system
1
2