lock LEXUS RX450h 2015 User Guide

23Installation of a mobile two-way radio system The installation of a mobile two-way radio system in your vehicle could affect elec-
tronic systems such as: ●
Hybrid system●
Multiport fuel injection system/sequential multiport fuel injection system●
Cruise control system●
Dynamic radar cruise control system●
Anti-lock brake system●
SRS airbag system●
Seat belt pretensioner system
Be sure to check with your Lexus dealer for precautionary measures or special
instructions regarding installation of a mobile two-way radio system.
High voltage parts and cables on the hybr id vehicles emit approximately the same
amount of electromagnetic waves as the conventional gasoline powered vehicles or
home electronic appliances despite of their electromagnetic shielding.
Unwanted noise may occur in the reception of the mobile two-way radio.
Vehicle data recordings Your Lexus is equipped with several soph isticated computers that will record cer-
tain data, such as:
•Engine speed
• Motor speed
• Accelerator status
•Brake status
•Vehicle speed
•Shift position
• Hybrid battery (traction battery) status
The recorded data varies according to the vehicle grade level and options with
which it is equipped. Furthermore, these computers do not record conversations,
sounds or pictures.

Before driving
1
291-1. Hybrid system
Hybrid system ........................... 30
Hybrid system precautions .... 34
Energy monitor/
consumption screen .............. 39
Hybrid vehicle driving tips...... 49
1-2. Key information
Keys ................................................ 51
1-3. Opening, closing and
locking the doors
Smart access system with
push-button start .................... 56
Wireless remote control ......... 69
Side doors.................................... 72
Back door .................................... 75
1-4. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ................................... 86
Rear seats ................................... 89
Driving position memory ........ 93
Head restraints .......................... 97
Seat belts ..................................... 99
Steering wheel ......................... 105 Anti-glare inside rear view
mirror....................................... 107
Outside rear view
mirrors..................................... 109
1-5. Opening and closing the
windows and moon roof
Power windows ......................... 112
Moon roof .................................. 115
1-6. Refueling
Opening the fuel tank
cap ............................................. 119
1-7. Theft deterrent system
Immobilizer system ................ 124
Alarm.......................................... 126
Theft prevention labels ......... 129
1-8. Safety information
Correct driving posture ....... 130
SRS airbags .............................. 132
Front passenger occupant
classification system............ 145
Child restraint systems ......... 150
Installing child restraints....... 154

351-1. Hybrid system
1
Before driving Hybrid battery air vents
There are air intake vents under
the rear seats for the purpose of
cooling the hybrid battery (traction
battery). If the vents become
blocked, the hybrid battery may
overheat, leading to a reduction in
hybrid battery output.
Emergency shut off system
When a certain level of impact is detected by the impact sensor, the
emergency shut off system blocks off the high voltage current and stops
the fuel pump to minimize the risk of electrocution and fuel leakage. If the
emergency shut off system activates, your vehicle will not restart. To
restart the hybrid system, contact your Lexus dealer.
Hybrid warning message
A message is automatically displayed when a malfunction occurs in the
hybrid system or an impr oper operation is attempted.
If a warning message is shown on
the multi-information display, read
the message and follow the
instructions. ( 
P. 743)

521-2. Key information
Using the mechanical key
To take out the mechanical key:
Electronic keys: Slide the release
lever and take the key out.
Card key: Press the lock release
button and take the key out. If the key cannot be inserted in a
lock cylinder, turn it over and re-
attempt to insert it. The mechanical
key with grooves on one side can
be inserted in one direction only.
After using the mechanical 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.
(  P. 7 8 1 )■
Card key (if equipped) ●
The mechanical key that is stored inside the card key should be used only if a
problem arises, such as when the key does not operate properly.●
If it is difficult to take out the mechanical key, press down the lock release button
using a pen tip etc. If it is still difficult to pull it out, use a coin etc.
●
To store the mechanical key in the card
key, insert it while pressing the lock
release button.

531-2. Key information
1
Before driving ●
The card key is not waterproof.■
When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. (  P. 5 8 6 )
Remove the mechanical key for your own use and provide the attendant with the
electronic key only.■
Key number plate
Keep the plate in a safe place such as your wallet, not in the vehicle. In the event that
a mechanical key is lost, a new key can be made at your Lexus dealer using the key
number plate. (  P. 7 8 0 )■
When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any
buttons on the electronic key while inside the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that the buttons are not li kely to be pressed
accidentally. Pressing a button may cause the electronic key to emit radio waves
that could interfere with the operation of the aircraft. ●
If the battery cover is not installed and
the battery falls out or if the battery was
removed because the key got wet, rein-
stall the battery with the positive termi-
nal facing the Lexus emblem.

561-3. Opening, closing and locking the doors
Smart access system with push-button start The following operations can be performed simply by carrying the elec-
tronic key (including the card key) on your person, for example in your
pocket.
(The driver should always carry the electronic key.)
Locks and unlocks the side doors (  P. 5 7 )
Locks and unlocks the back door (  P. 5 7 )
Starts the hybrid system (  P. 177) Electronic keyElectronic key
Electronic key

571-3. Opening, closing and locking the doors
1
Before driving Unlocking and locking the side doors (front door handles only)
Grip the driver's door handle to
unlock the door. Grip the passen-
ger's 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 be
changed. (  P. 8 2 5 )
Touch the lock sensor (the inden-
tation on the upper part of the
door handle) to lock the doors.
Locking the back door
Press the button to lock the door.

581-3. Opening, closing and locking the doors
Opening the back door
Press the button to open the door. The door automatically opens fully.
The door cannot be opened for 3
seconds after the door is locked.
Antenna location and effective range
■ Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the luggage
compartment
Antenna outside the luggage
compartment

591-3. Opening, closing and locking the doors
1
Before driving ■ Effective range (areas within wh ich the electronic key is detected)
When locking or unlocking
the doors The system can be operated
when the electronic key is
within about 2.3 ft. (0.7 m) of
an outside door handle. (Only
the doors detecting the key
can be operated.)
When starting the hybrid
system or changing
“POWER” switch modes The system can be operated
when the electronic key is
inside the vehicle.■
Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Locked: Once; Unlocked: Twice)■
When the door cannot be locked by the lock sensor on the upper part of the door
handle
Touch both lock sensors on the upper and
lower part of the door handle simultaneously.

601-3. Opening, closing and locking the doors
■
Alarms and warning indicators
A combination of exterior and interior alarms as well as warning messages shown
on the multi-information display is used to prevent theft of the vehicle and accidents
resulting from erroneous operation. Take appropriate measures in response to any
warning message on the multi-information display. (  P. 74 3 )
The following table describes circumstances and correction procedures when only
alarms are sounded.
Alarm Situation Correction procedure
Exterior alarm
sounds once for 5
seconds. An attempt was made to lock
the vehicle while a door was
open. Close all of the doors
and lock the doors
again.
Interior alarm pings
repeatedly The “POWER” switch was
turned to ACCESSORY
mode while the driver's door
is open. (The driver's door
was opened when the
“POWER” switch is in
ACCESSORY mode.) Close the driver's door.
The “POWER” switch was
turned off while the driver's
door is open. Close the driver's door.