trunk Lexus IS300h 2017 User Guide

931-3. Theft deterrent system
1
For safety and security
IS300h_EE(OM53D89E)
Do one of the following to deactivate or stop the alarm:
●Unlock the doors or open the trunk using the entry function or wireless
remote control.
●Start the hybrid system. (The alarm will be deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●Nobody is in the vehicle.
●The windows and moon roof (if equipped ) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Deactivating or stopping the alarm

941-3. Theft deterrent system
IS300h_EE(OM53D89E)
■Triggering of the alarm
The alarm may be triggered in the following situations: (Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, depending on the situ ation, the door may automatically lock to
prevent improper entry into the vehicle:
●The doors are unlocked manually without the mechanical key and the alarm is trig- gered.
●While the alarm is operating, the doors ar e unlocked manually without the mechanical
key.
●When recharging or replacing the 12-volt battery
●The doors or trunk are unlocked using the mechanical key.
●A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using a
inside lock button.
●The 12-volt battery is recharged or replaced
when the vehicle is locked. ( P. 633)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

137
3
Operation of
each component
IS300h_EE(OM53D89E)
3-1. Key information
Keys .................................................. 138
3-2. Opening, closing and
locking the doors and
trunk
Doors ................................................144
Trunk .................................................. 151
Smart entry & start system .......157
3-3. Adjusting the seats
Front seats.......................................173
Rear seats (folding type) ...........175
Driving position memory .......... 177
Head restraints ............................ 182
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 185
Inside rear view mirror ............. 187
Outside rear view mirrors....... 189
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 193
Moon roof .......................................197

138
IS300h_EE(OM53D89E)
3-1. Key information
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart entry & start system ( P. 157)
• Operating the wireless remote con-
trol function
Mechanical keys
Key number plate
Card key (electronic key)
(if equipped)
Operating the smart entry & start sys-
tem ( P. 157)
Locks the doors (P. 144)
Closes the windows and moon roof*
( P. 144)
Unlocks the doors ( P. 144)
Opens the windows and moon roof*
( P. 144)
Opens the trunk ( P. 152)
*: These settings must be customized at any authorized Lexus retailer or Lexus autho-
rized repairer, or an y reliable repairer.
Keys
The keys
1
2
3
4
Wireless remote control
1
2
3
4
5

144
IS300h_EE(OM53D89E)
3-2. Opening, closing and locking the doors and trunk
The vehicle can be locked and unlock ed using the entry function, wireless
remote control or door lock switches.
◆Entry function (if equipped)
Carry the electronic key to enable this function.
Grip the handle to unlock 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.
Touch the lock sensor (indenta-
tion on the upper part of the door
handle) to lock the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks all the doors
Press and hold to close the windows
and moon roof.*
Check that the door is securely locked.
Unlocks all the doors
Press and hold to open the windows
and moon roof.*
*: These settings must be customized at
any authorized Lexus retailer or
Lexus authorized repairer, or any
reliable repairer.
Doors
Unlocking and locking the doors from the outside
1
2
1
2

1453-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS300h_EE(OM53D89E)
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/unlocked.
(Locked: once; Unlocked: twice)
A buzzer sounds to indicate that th e windows and moon roof are operating.
■Security feature
If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the security feature automatically locks the vehicle again.
■Welcome light illumination control
The front position, tail and license plate light s automatically turn on at night when the doors are unlocked using the entry function or wireless remote control if the light switch
is in the “AUTO” position.
■When the door cannot be locked by the lock sensor on the upper part of the door han- dle (vehicles with entry function)
■Door lock buzzer
If an attempt to lock the doors is made wh en a door is not fully closed, a buzzer sounds continuously for 5 seconds. Fully close the d oor to stop the buzzer, and lock the vehicle
once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm system. ( P. 92)
■If the smart entry & start system or the wireless remote control does not operate prop-
erly
Use the mechanical key to lock and unlock the doors. ( P. 628)
Replace the key battery with a new one if it is depleted. (P. 549)
If the door will not lock even when the topside sensor area is touched, try touching both the
topside and underside sensor areas at the same
time.

1463-2. Opening, closing and locking the doors and trunk
IS300h_EE(OM53D89E)
WARNING
Observe the following precautions. Failing to do so may result in death or serious injury.
■When using the wireless remote control and operating the power window or moon
roof
Operate the power window or moon roof after checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window or
moon roof. Also, do not allow children to oper ate the wireless remote control. It is pos- sible for children and other passengers to get caught in the power window or moon
roof.
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before the window or moon roof fully closes.

1473-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS300h_EE(OM53D89E)
◆Door lock switches
Locks all the doors
Unlocks all the doors
◆Inside lock buttons
Locks the door
Unlocks the door
The front doors can be opened by
pulling the inside handle even if the lock buttons are in the lock position.
For the front doors
Move the inside lock button to the lock position.
Close the door while pulling the door handle.
The door cannot be locked if the power switch is in ACCESSORY or ON mode, or the electronic key is left inside the vehicle. However, the key may not be detected cor-
rectly and the door may be locked.
For the rear doors
Move the inside lock button to the lock position.
Close the door.
The door cannot be locked if the power switch is in ACCESSORY or ON mode, or the electronic key is left inside the vehicle. However, the key may not be detected cor-
rectly and the door may be locked.
Unlocking and locking the doors from the inside
1
2
1
2
Locking the doors from the outside without a key
1
2
1
2

1483-2. Opening, closing and locking the doors and trunk
IS300h_EE(OM53D89E)
The door cannot be opened from inside
the vehicle when the lock is set.
Unlock
Lock
These locks can be set to prevent chil-
dren from opening the rear doors. Push
down on each rear door switch to lock both rear doors.
The following functions can be set or canceled:
For instructions on customizing, refer to P. 657.
Rear door child-protector lock
1
2
Automatic door locking and unlocking systems
FunctionOperation
Speed linked door locking functionAll the doors are locked when the vehiclespeed is approximately 20 km/h (12 mph) or
higher.
Shift position linked door locking
function
Shifting the shift lever out of P locks all the
doors.
Shift position linked door unlocking functionAll doors are automatically unlocked whenshifting the shift lever to P.
Driver’s door linked door unlocking
function
All doors are automatically unlocked when
driver’s door is opened.

1493-2. Opening, closing and locking the doors and trunk
3
Operation of each component
IS300h_EE(OM53D89E)
■Switching the door unlock function (vehicles with entry function)
It is possible to set which doors the entry fu nction unlocks using the wireless remote con-
trol.
Turn the power switch off.
Cancel the intrusion sensor and tilt sensor of the alarm system to prevent unintended
triggering of the alarm while changing the settings. (if equipped) ( P. 95)
When the indicator light on the key surface is not on, press and hold , or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operatio n is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and repeat step .)
For vehicles with an alarm: To prevent unin tended triggering of the alarm, unlock the doors using the wireless remote control and open and close a door once after the set-
tings have been changed. (If a door is not opened within 30 seconds after is
pressed, the doors will be locked again and the alarm will automatically be set.)
In a case that the alarm is triggered, immediately stop the alarm. ( P. 93)
1
2
3
3
Multi-information
displayUnlocking functionBeep
(Left-hand drive
vehicles)
(Right-hand drive
vehicles)
Holding the driver’s door handle
unlocks only the driver’s door.
Exterior: Beeps 3 times
Interior: Pings onceHolding the front passenger’s
door handle unlocks all the doors.
Holding either front door handleunlocks all the doors.Exterior: Beeps twiceInterior: Pings once