Page 4 of 594

1
2
3
4
5
6
7
3
IS350/250_U
2-1. Driving proceduresDriving the vehicle ........................ 130
Engine (ignition) switch ................ 141
Automatic transmission.............. 146
Manual transmission .................... 152
Turn signal lever ............................ 154
Parking brake ................................. 155
Horn.................................................... 157
2-2. Instrument cluster Gauges and meters ..................... 158
Indicators and warning lights................................................. 164
Multi-information display........... 167
2-3. Operating the lights and windshield wipers
Headlight switch ............................. 172
Fog light switch .............................. 176
Windshield wipers and washer............................................. 178
Headlight cleaner switch ........... 185 2-4. Using other driving systems
Cruise control ................................ 186
Intuitive parking assist ................. 190
Driving assist systems.................. 196
2-5. Driving information Cargo and luggage ..................... 202
Vehicle load limits....................... 205
Winter driving tips ....................... 206
Trailer towing .................................. 210
Dinghy towing (vehicles with an automatic
transmission) .................................. 211
Dinghy towing (vehicles with a manual
transmission) ................................ 212
2When driving
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IS350/250_U
13
C
Automatic transmission
Manual transmission
Seat heater switches ∗
Seat heater/ventilator switches
∗
P. 345
P. 348
Automatic transmission shift lever P. 146
Shift lock override button P. 503
Cigarette lighter ∗
Ashtray
∗
Auxiliary box
∗
P. 343
P. 342
P. 335
Manual transmission shift lever P. 152
Parking brake lever P. 155
Cigarette lighter ∗
Ashtray
∗
Auxiliary box
∗
P. 343
P. 342
P. 335
Seat heater switches ∗
Seat heater/ventilator switches
∗
P. 345
P. 348
∗: If equipped
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IS350/250_U
14
Pictorial indexInstrument panel
Headlight switch Turn signal lever
Fog light switch P. 172
P. 154
P. 176
Shift paddle switches (automatic transmission) P. 147, 149
Gauges and meters P. 158
Multi-information display P. 167
Windshield wiper and washer switch P. 178
Engine (ignition) switch P. 141
Trunk opener main switch P. 52
Glove box P. 329
Tilt and telescopic steering lock release lever ∗ P. 72
Tilt and telescopic steering control switch ∗ P. 73
Parking brake pedal (automatic transmission) P. 155
Audio remote control switches P. 273
Horn P. 157
Hood release lever P. 394
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IS350/250_U
17
Telephone switch *1P. 298
Cruise control switch P. 186
“DISP” switch P. 168
Talk switch *1P. 298
Automatic transmission Manual transmission
ECT switch P. 147ETCS switch P. 153
B
C
∗: If equipped
*1: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
*2: Refer to “Navigation System Owner's Manual”.
Windshield wiper
de-icer
∗ P. 225Windshield wiper
de-icer
∗ P. 225
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42
1-2. Opening, closing and locking the doors and trunk
IS350/250_U
*: Vehicles with an automatic transmission only
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key.
(→ P. 505)
●Starting the engine: →P. 5 0 5
■When the electronic key battery is fully depleted
→P. 4 3 3
■Customization that can be configured at Lexus dealer
It is possible to deactivate the operation signals of the system, such as the emer-
gency flashers. (Customizable features →P. 5 5 3 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
FCC ID: NI4TMLF-1
FCC ID: HYQ14AAB
FCC ID: HYQ14AEM
FCC ID: HYQ14ABB
FCC ID: HYQ13BZH
FCC ID: HYQ14ABK
FCC ID: HYQ14ABS
FCC ID: HYQ13BZW
AlarmSituationCorrection procedure
Interior alarm pings
continuously
Switched to ACCESSORY
mode while the driver's door
is open (Opened the driver's
door when the “ENGINE
START STOP” switch is in
ACCESSORY mode.)
Close the driver's door.
Tu r n e d t h e “ E N G I N E S TA R T
STOP” switch OFF while the
driver's door is open
Close the driver's door.
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49
1-2. Opening, closing and locking the doors and trunk
1
Before driving
IS350/250_U
Locking the front doors from the outside without a keyThe door cannot be locked if the “ENGINE START STOP” switch is in
ACCESSORY or IGNITION ON mode, or the electronic key is left
inside the vehicle.
Depending on the position of the electronic key, the key may not be detected
correctly and the door may be locked.
Rear door child-protector lock
The door cannot be opened from
inside the vehicle when the locks
are set.
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear
doors.
Automatic door locking and unlocking systems
The following functions can be set or cancelled:
*: Vehicles with an automatic transmission only
FunctionOperation
Shift position linked door
locking function
*Shifting the shift lever out of P locks all doors.
Shift position linked door
unlocking function
*Shifting the shift lever to P unlocks all doors.
Speed linked door locking
functionAll doors are locked when the vehicle speed is
approximately 12 mph (20 km/h) or higher.
Driver's door linked door
unlocking functionAll doors are unlocked when the driver's door is
opened within approximately 45 seconds after
turning the “ENGINE START STOP” switch OFF.
Page 51 of 594
50
1-2. Opening, closing and locking the doors and trunk
IS350/250_U■
Setting and canceling the functions
To switch between setting and canceling, follow the procedure below:
Close all the doors and switch the “ENGINE START STOP”
switch to IGNITION ON mode. (Perform the step 2 within 10
seconds.) Shift the shift lever to P or N, press
and hold the driver's door lock
switch (
or ) for about
5 seconds then release.
The shift lever and switch positions
corresponding to the desired func-
tion to be set are shown as follows.
Use the same procedure to cancel
the function.
*: Vehicles with an automatic transmission only
When the setting or canceling operation is complete, all doors are locked
and then unlocked.
STEP1
STEP2
FunctionShift lever positionDriver’s door lock
switch position
Shift position linked door locking
function*
PShift position linked door unlock-
ing function*
Speed linked door locking function
NDriver's door linked door unlocking
function
Page 60 of 594
59
1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
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
■Recalling the memorized position
Vehicles with an automatic transmission: Check that the shift lever is
set in P.
Vehicles with a manual transmission: Check that the parking brake is
set.
Switch to IGNITION ON mode. Push button “1”, “2” or “3” to
recall the memorized position.
STEP1
STEP2