2015 LEXUS RX450h lock

5
When trouble arises
7815-2. Steps to take in an emergency
If the electronic key do es not operate properly
Locking and unlocking the side doors and key linked functions
Use the mechanical key (  P. 5 2 )
in order to perform the following
operations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
Unlocks the door Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)If communication between the electron ic key and vehicle is interrupted
(  P. 62) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened and
the hybrid system can be started by following the procedure below.

5
When trouble arises
7855-2. Steps to take in an emergency
■
Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.■
To prevent 12-volt battery discharge ●
Turn off the headlights and the audio sy stem while the hybrid system is off.●
Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.■
When the 12-volt battery is removed or discharged ●
The power back door must be initialized.
(  P. 8 3 7 )●
The hybrid system may not start. (
 P. 6 6 8 )
●
Make sure that the key is not inside th e vehicle when recharging or replacing
the 12-volt battery. The key may be locked in the vehicle if the alarm is activated.
(  P. 1 2 8 ) Start the engine of the second vehicle. Increase the engine
speed slightly and maintain that level for approximately 5 min-
utes to recharge the 12-volt battery of your vehicle.
Open and close any of the doors of your vehicle with the
“POWER” switch off.
Maintain the engine sp eed of the second ve hicle and start the
hybrid system of your vehicle by turning the “POWER” switch
to ON mode.
Make sure the “READY” indicat or comes on. If the indicator
does not come on, contact your Lexus dealer.
Once the hybrid system has st arted, remove the jumper cables
in the exact reverse order from which they were connected.
Once the hybrid system starts, have the vehicle inspected at your
Lexus dealer as soon as possible. STEP 4
STEP 5
STEP 6
STEP 7
STEP 8

7905-2. Steps to take in an emergency
If the fans are not operating:
Stop the hybrid system immediately and contact your Lexus
dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
■ If “HYBRID SYSTEM OVERHEAT” is shown on the multi-informa-
tion display
Stop the vehicle in a safe place. Ensure that the opening for the oil
cooler is not blocked by dirt or any
other foreign substance. If the
opening is not blocked or if the
message does not disappear after
some time the opening has been
cleaned, proceed to STEP 2.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has cooled
down, inspect the hoses and radia-
tor core (radiator) for any leaks.
Radiator
Cooling fans If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The coolant level is satisfactory if it
is between the “FULL” and “LOW”
lines on the reservoir.
Reservoir
“FULL” line
“LOW” lineSTEP 7
STEP 1
STEP 2
STEP 3
STEP 4

8006-1. Specifications
■ Engine number
The engine number is stamped on
the engine block as shown.
Engine
FuelModel 2GR-FXE
Ty p e 6-cylinder V type, 4-cycle, gasoline
Bore and stroke 3.70  3.27 in. (94.0  83.0 mm)
Displacement 210.9 cu.in. (3456 cm 3
)
Drive belt tension Automatic adjustment
Fuel type Unleaded gasoline only
Octane rating 91 (Research octane number 96) or higher
Fuel tank capacity
(Reference) 17.1 gal. (65 L, 14.2 Imp. gal.)

8276-2. Customization
6
Vehicle specifications Door lock ( 
P. 7 2 , 7 8 1 )Function Default
setting Custom-
ized
setting
Unlocking using a
key Driver's
door
unlocked
in one step,
all doors
unlocked
in two
steps All doors
unlocked
in one step — —
O — —
O
Speed-detecting
automatic door lock
function Off On O —
O —
O O
Shifting gears to
position other than
P locks all doors On Off O —
O —
O O
Shifting gears to P
unlocks all doors On Off O —
O —
O O
Opening driver's
door unlocks all
doors Off On O —
O —
O O

8286-2. Customization
Smart access system with push-button start and wireless remote control
( 
P. 56, 69) Function Default
setting Custom-
ized
setting
Operation buzzer
volume Level 7 Off to level
6 O —
O —
O O
Operation signal
(buzzer) On Off O —
O —
O O
Operation signal
(emergency flash-
ers) On Off O —
O —
O O
Open door warning
buzzer On Off — — — — —
O
Time elapsed before
the automatic door
lock function is acti-
vated if a door is not
opened after being
unlocked 60 sec-
onds Off
O —
O —
O O30 sec-
onds
120 sec-
onds
Smart door unlock-
ing Driver’s
door All the
doors O —
O —
O O
Smart access sys-
tem with push-but-
ton start On Off O —
O —
O O

8296-2. Customization
6
Vehicle specifications Power back door ( 
P. 7 5 )
Wireless remote control ( 
P. 6 9 )Function Default
setting Custom-
ized
setting
Power back door
opening operation
using the back door
opener button On Off — — — — —
O
Function Default
setting Custom-
ized
setting
Unlocking opera-
tion Driver's
door
unlocked
in one step,
all doors
unlocked
in two
steps All doors
unlocked
in one step O —
O —
O O
Pa n i c f u n c t i o n On Off — — — — —
O

8316-2. Customization
6
Vehicle specifications Illumination( 
P. 582)Function Default
setting Custom-
ized
setting
Time elapsed before
the interior lights
turn off 15 seconds 7. 5 s e c -
onds
O —
O —
O O
30 sec-
onds
Time elapsed before
the exterior lights
turn off 15 seconds 7. 5 s e c -
onds
O —
O —
O O
30 sec-
onds
Operation when the
doors are unlocked On Off — — — — —
O
Operation after the
“POWER” switch
turned off On Off — — — — —
O
Operation when
you approach the
vehicle with the
electronic key on
your person On Off — — — — —
O
Wireless remote
control linked exte-
rior lights when the
surrounding area is
dark On Off — — — — —
O
Interior light control On Off O —
O —
O O
Exterior light control On Off O —
O —
O O
Shift lever lights On Off — — — — —
O