Page 4 of 578

1
2
3
4
5
6
7
IS350/250_U
3
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
Intuitive parking assist ................. 179
Driving assist systems.................. 185
2-5. Driving information Cargo and luggage ........................ 191
Vehicle load limits......................... 194
Winter driving tips ........................ 195
Trailer towing .................................. 199
Dinghy towing (vehicles with an automatic
transmission) .............................. 200
Dinghy towing (vehicles with a manual
transmission) ................................ 201
2When driving
Page 9 of 578
IS350/250_U
8
Pictorial indexExterior
Turn signal lights P. 147
Fog lights P. 168
Side marker lights P. 165
Headlights P. 165
Hood P. 383
Parking lights P. 165
Windshield wipers P. 169
Moon roof ∗ P. 78
Outside rear viewmirrors
P. 72
Turn signal lights
P. 147
Daytime running lights
P. 166
Page 10 of 578
IS350/250_U
9
Tires
●Rotation
● Replacement
● Inflation pressure
● Information
P. 400
P. 481
P. 519
P. 528
Tail lights P. 165
Side marker lights P. 165
Trunk P. 47
Rear window defogger *1P. 214
Doors P. 43
Fuel filler door P. 82
Turn signal lights P. 147
∗: If equipped
*1: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
Page 15 of 578
IS350/250_U
14
Pictorial indexInstrument panel
Headlight switch Turn signal lever
Fog light switch P. 165
P. 147
P. 168
Shift paddle switches (automatic transmission) P. 140, 142
Gauges and meters P. 151
Multi-information display P. 160
Windshield wiper and washer switch P. 169
Engine (ignition) switch P. 134
Trunk opener main switch P. 47
Glove box P. 319
Tilt and telescopic steering lock release lever ∗ P. 67
Tilt and telescopic steering control switch ∗ P. 68
Parking brake pedal (automatic transmission) P. 148
Audio remote control switches P. 263
Horn P. 150
Hood release lever P. 383
Page 55 of 578
54
1-3. Adjustable components (seats, mirrors, steering wheel)
IS350/250_U
Linking driving position memory with door unlock operation
Record your driving position to button “1”, “2” or “3” before performing
the following.
Carry only the key (including the card key
∗) to which you want to link the
driving position. If 2 or more keys are in the vehicle, the driving position
cannot be linked properly.
∗
: If equipped
Using the wireless remote controlTurn the “ENGINE START STOP” switch OFF and close the
driver's door.
While the desired button (“1”, “2”
or “3”) press on the wireless
remote control until the signal
beeps.
The driving position is recalled
when the driver's door is unlocked
using the entry function or wireless
remote control and the driver’s
door is opened.
Push button “1”, “2” or “3” to
recall the memorized position. STEP2
STEP1
STEP2
Page 56 of 578
55
1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
IS350/250_UOpen one of the doors.
If a door is not opened within 60 seconds after is pressed, the
doors will be locked again and the alarm will automatically be set.
In case that the alarm is triggered, immediately stop the alarm.
(
→ P. 8 7 )
Using the door lock switch
Turn the “ENGINE START STOP” switch OFF and close the
driver's door.
While pressing the desired button
(“1”, “2” or “3”), press the lock or
unlock side on the driver’s door
lock switch until the signal beeps.
The driving position is recalled
when the driver's door is unlocked
using the entry function or wireless
remote control and the driver's
door is opened.
STEP3
STEP1
STEP2
Page 57 of 578

56
1-3. Adjustable components (seats, mirrors, steering wheel)
IS350/250_U
■Canceling the linked door unlock operation
Turn the “ENGINE START STOP” switch OFF and close the driver's door.
Using the wireless remote control: While pushing the “SET” button, press on the wireless remote control until the signal beeps.
Using the door lock switch: While pr essing the “SET” button, press the
lock or unlock side on the door lock switch until the signal beeps.
■Operating the driving position memory after turning the “ENGINE START
STOP” switch OFF
Memorized positions (except for the steering wheel position) can be activated up
to 180 seconds after the driver's door is opened and another 60 seconds after it is
closed again, even after turning the “ENGINE START STOP” switch OFF.
■To cancel seat position recall
Perform any of the following operations.
●Push the “SET” button.
●Push button “1”, “2” or “3”.
●Adjust the seat using the switches (only cancels seat position recall).
■If the battery is disconnected
The memorized positions are erased when the battery is disconnected.
CAUTION
■Seat adjustment caution
Take care during seat adjustment that the seat does not strike the rear passenger or
squeeze your body against the steering wheel.
STEP1
STEP2
Page 124 of 578

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
Intuitive parking assist ............ 179
Driving assist systems ............ 185
2-5. Driving information Cargo and luggage ................. 191
Vehicle load limits ................... 194
Winter driving tips .................. 195
Trailer towing ........................... 199
Dinghy towing (vehicles with an
automatic transmission).... 200
Dinghy towing (vehicles with a
manual transmission) .......... 201