Page 9 of 96
8
IS500_IS350_IS300_QG_U
Remote Touch ........................................................................................................... P.42
Seat heater switches
*1, 2
Seat ventilator switches*1, 2
Heated steering wheel switch*1, 2
Driving mode select switch ................................................................................... P.38
VSC OFF switch
*1
Snow mode switch*1
Brake hold switch ..................................................................................................... P.24
*1: Refer to the “Owner’s Manual”.
*2:If equipped
A
B
C
D
E
F
G
H
Page 10 of 96
9
IS500_IS350_IS300_QG_U
■Interior
SRS airbags*
Floor mats ..................................................................................................................... .P.11
Front seats
*
Head restraints*
Seat belts*
Console box*
Inside lock buttons ....................................................................................................P.77
Cup holders
*
Assist grips*
*
: Refer to the “Owner’s Manual”.
A
B
C
D
E
F
G
H
I
Page 11 of 96
10
IS500_IS350_IS300_QG_U
■Ceiling
Inside rear view mirror*1
Sun visors*1
Vanity mirrors*1
Interior light*1
Personal lights*1
Moon roof switches*2............................................................................................ P.79
Door-linked interior light switch
*1
“SOS” button*1, 2
Garage door opener switches*2........................................................................ P.82
*1: Refer to the “Owner’s Manual”.
*2:If equipped
A
B
C
D
E
F
G
H
Page 12 of 96
11
IS500_IS350_IS300_QG_U
Floor Mat Installation
1Insert the retaining hooks (clips) into
the floor mat eyelets.
2Turn the upper knob of each retaining
hook (clip) to secure the floor mats in
place.
Always align the marks .
The shape of the retaining hooks (clips) may di ffer from that shown in the illustration.
Entering and Exiting
Floor Mat Installation
Use only floor mats designed specifically for vehicles of the same model and model year
as your vehicle. Fix them securely in place onto the carpet.
A
Page 13 of 96
12
IS500_IS350_IS300_QG_U
Electronic keys
• Operating the smart access system with push-button start ( P.14)
• Operating the wireless remote control function
Mechanical keys
Key number plate
Card key (electroni c key) (if equipped)
Operating the smart access system with
push-button start ( P.14)
Locks the doors
Unlocks the doors
Opens the windows
*1 and moon
roof
*1, 2
Opens the trunk
Sounds the alarm
*1: This setting must be customized at your
Lexus dealer.
*2:If equipped
Keys
The keys
A
B
C
D
Wireless remote control
A
B
C
D
E
Page 14 of 96
13
IS500_IS350_IS300_QG_U
To take out the mechanical key, push the
release button and take the key out.
The mechanical key can only be inserted in
one direction, as the key only has grooves
on one side. If the key cannot be inserted in
a lock cylinder, turn it over and re-attempt
to insert it.
After using the mechanic al key, store it in
the electronic key. Carry the mechanical
key together with the electronic key. If the
electronic key battery is depleted or the
entry function does not operate properly,
you will need the mechanical key.
Mechanical key
Page 15 of 96

14
IS500_IS350_IS300_QG_U
1Grip the driver’s door handle to unlock
the door. Grip the passenger’s front
door handle to unlock all the doors.
*
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
*: The door unlock settings can bechanged.
2Touch the lock sensor (indentation on the upper part of the front door handle) to lock all
the doors.
Check that the door is securely locked.
While carrying the electronic key, press the
button on the trunk lid.
When all the doors are unlocked with the
power door lock system, the trunk can be
opened without carrying the electronic key.
Smart Access System with Push-button Start
The following operations can be performed si mply by carrying the electronic key on your
person, for example in your pocket. The driv er should always carry the electronic key.
For details on starting the engine, see page 15.
Unlocking and locking the doors from the outside
Opening the trunk from outside the vehicle
For details on what to do when the electronic key does not operate properly, see page 90.
Page 16 of 96

15
IS500_IS350_IS300_QG_U
When Driving
1Check that the parking brake is set.
2Check that the shift lever is in P.
3Firmly depress the brake pedal.
and a message will be displayed on the multi-information display.
If it is not displayed, th e engine cannot be started.
4Press the engine switch shortly and
firmly.
When operating the engine switch,
one short, firm press is enough. It is not
necessary to press and hold the switch.
The engine will crank until it starts or
for up to 30 seconds, whichever is less.
Continue depressing the brake pedal
until the engine is completely started.
The engine can be started from any
engine switch mode.
1Stop the vehicle.
2Set the parking brake, and shift the shift lever to P.
3Press the engine switch.
4Release the brake pedal and check that the display on the meters is off.
Engine (Ignition) Switch
Performing the following operations when ca rrying the electronic key on your person
starts the engine or changes engine switch modes.
Starting the engine
Stopping the engine