Page 589 of 724

5898-2. Steps to take in an emergency
8
When trouble arises
OnceCon-
tinuous
An attempt was made to lock the
doors using the smart access system
with push-button start while the
electronic key was still inside the
vehicle.
→Retrieve the electronic key
from the vehicle and lock the
doors again.
An attempt was made to lock either
door by opening a door and putting
the inside lock bu tton into the lock
position, then closing the door with
the electronic key still inside the
vehicle.
→ Retrieve the electronic key
from the vehicle and lock the
doors again.
Once⎯
The electronic key has a low battery.
→Replace the electronic key bat-
tery. ( →P. 538)
Once⎯
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
→ Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Once⎯
Indicates a malfunction in the smart
access system with push-button
start
→Have the vehicle inspected by
your Lexus dealer.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
Page 590 of 724

5908-2. Steps to take in an emergency
Once⎯
• When the doors were unlockedwith the mechanical key and then
the engine swit ch was pressed,
the electronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle even after
the engine switch was pressed
two consecutive times.
→ Touch the electronic key to the
engine switch while depressing
the brake pedal.
Once⎯
During an engine starting proce-
dure in the event that the electronic
key was not functioning properly
(→ P. 624), the engine switch was
touched with the electronic key.
→ Press the engine switch within
10 seconds of the buzzer sound-
ing.
⎯⎯
Indicates that:
• With the engine switch off, the
doors were unlocked and then the
driver's door was opened and
closed
• The engine switch was turned to ACCESSORY mode without
starting the engine
• The shift lever wa s shifted to P or
N from another shift position with
the engine switch in IGNITION
ON mode.
→ Press the engine switch while
depressing the brake pedal.
⎯⎯
The engine switch has been turned
off with the shift lever in a position
other than P or N.
→Shift the shift lever to P.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
Page 620 of 724

6208-2. Steps to take in an emergency
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(→ P. 207)
●There may be a malfunction in th e engine immobilizer system. (→P. 79)
One of the following may be the cause of the problem:
●The battery may be discharged. ( →P. 626)
●The battery terminal connections may be loose or corroded.
The engine starting system may be malfun ctioning due to an electrical problem
such as electronic key battery depletio n or a blown fuse. However, an interim
measure is available to start the engine. ( →P. 621)
If the engine will not start
If the engine will not start even though correct starting procedures are being
followed ( →P. 207), consider each of the following points:
The engine will not start even thoug h the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume.
The starter motor does not turn over
Page 622 of 724
6228-2. Steps to take in an emergency
Use the mechanical key (→P. 137) in order to perfor m the following operations:
■Unlocking the door
Insert the mechanical key while
pulling on the driver’s door han-
dle.
Unlocking the door.
Remove the key, return the handle, and then pull the handle again.
If the electronic key does not operate properly
If communication between the electron ic key and vehicle is interrupted (→P.
154) or the electronic key cannot be us ed because the battery is depleted, the
smart access system with push-button st art and wireless remote control can-
not be used. In such cases, the doors and trunk can be opened and the engine
can be started by follow ing the procedure below.
Locking and unlocking the doors and opening the trunk
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Page 623 of 724
6238-2. Steps to take in an emergency
8
When trouble arises
■Locking the doorMove the inside lock button to the
lock position.
Close the door.
■Opening the trunk
Turn the mechanical key clockwise
to open.
■Key linked functions
*: These settings must be cust omized at your Lexus dealer.
1
2
Locks both side door
Closes the windows and moon roof (if
equipped) (turn and hold)
*
Unlocks the door
Turning the key rearward unlocks the driver’s
door. Turning the key again unlocks the other
door.
Opens the windows and moon roof (if
equipped) (turn and hold)
*
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22
33
44
Page 624 of 724

6248-2. Steps to take in an emergency
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in cus-
tomization setting, the engine switch will
turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the multi-
information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( →P. 538)
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is pressed.
( → P. 208)
■When the electronic key does not work properly
●Make sure that the smart access system wi th push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features →P. 673)
●Check if battery-saving mode is set. If it is set, cancel the function. (→P. 154)
Starting the engine
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2
3
4
3
Page 625 of 724
6258-2. Steps to take in an emergency
8
When trouble arises
WARNING
■When using the mechanical key and operating the power windows 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 op erate the mechanical key. It is possible for children and
other passengers to get caught in the power window or moon roof.
Page 626 of 724
6268-2. Steps to take in an emergency
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your vehicle by following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the situa-
tion, the alarm may activate and doors
locked. (
→P. 84)
Open the hood. ( →P. 497)
Remove the engine cover.
RC350/RC300
Raise the rear of the engine cover to
remove the rear clip, and then raise
the front of the engine cover to
remove the front clips.
RC F
Raise the front of the engine cover to
remove the front clips, and then raise
the rear of the engine cover to
remove the rear clips.
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus deal er or a qualified repair shop.
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2
3