Page 54 of 62
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Entering and Exiting
Before Driving
When Driving
Rain and 
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r  L e x u s
If the electronic key battery becomes 
discharged
nUnlocking and locking the doors
To unlock or lock the vehicle, use the mechanical
key. The mechanical key is stored inside the elec-
tronic key.
Unlocks
Locks
nStarting the hybrid system
Depress the brake pedal.
Hold the electronic key close to the power
switch (within 0.4 in. [10 mm]), making sure that
the button side of the key is facing toward you. 
Press the power switch within 5 seconds after
the buzzer sounds, keeping the brake pedal
depressed.
1
2
For instructions on replacing the electronic key battery, refer to the Owner's Manual. If you
need further assistance, contact your Lexus dealer. 
         
        
        
     
        
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Entering and Exiting
Before Driving
When Driving
Rain and 
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r  L e x u s
Electronic Key Alarm
The electronic key alarm uses an alarm and warning messages to indicate that the electronic 
key has been used improperly. Take appropriate measure in response to any warning mes-
sages that are displayed. In some cases, an alarm may sound without an accompanying 
warning message. If so, follow the correction procedure in the table below.
AlarmSituationCorrection procedure
Exterior alarm sounds 
once for 2 seconds
Tried to lock the doors 
using the entry function 
while the electronic key is 
still inside the passenger 
compartmentRetrieve the electronic key 
from the passenger com-
partment and lock the 
doors again.
Tried to exit the vehicle 
with the electronic key and 
lock the doors without first 
turning the power switch 
OFF
Turn the power switch OFF 
and lock the doors again.
Closed the trunk while the 
electronic key is still inside 
and all doors are lockedRetrieve the electronic key 
from the trunk and close 
the trunk lid.
Exterior alarm sounds 
once for 10 secondsTried to lock the vehicle 
using the entry function 
while a door is openClose all of the doors and 
lock the doors again.
Interior alarm sounds 
continuouslyTried to open the door and 
exit the vehicle without 
shifting the shift lever to P
Shift the shift lever to P.
Interior alarm rings 
continuously
Switched to ACC mode 
while the driver's door is 
open (Opened the driver's 
door when the power 
switch is in ACC mode.)
Turn the power switch OFF 
and close the driver's door.
Turned the power switch 
OFF while the driver's 
door is still open
Close the driver's door. 
         
        
        
     
        
        Page 58 of 62
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Entering and Exiting
Before Driving
When Driving
Rain and 
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r  L e x u s
ItemFunctionDefault 
settingCustomized
setting
Door lock
Unlocking using a key
Driver's door 
unlocked in 
one step, all 
doors 
unlocked in 
two steps
All doors 
unlocked in 
one step
Speed-detecting automatic 
door lock functionOFFON
Opening driver's door unlocks 
all doors OFFON
Shift the shift lever to P unlocks 
all doors.ONOFF
Shift the shift lever to position 
other than P locks all doors.ONOFF
Pow e r  w i n d o w s
Linked door lock operationONOFF
Linked door key operationOpen and 
closeOpen only
Close only
Wireless remote control linked 
operationONOFF 
         
        
        
     
        
        Page 59 of 62
Customizing Your Lexus
59
*: Vehicles sold outside Canada
ItemFunctionDefault 
settingCustomized
setting
Moon roof
Linked door lock operationONOFF
Linked door key operationOpen and 
closeOpen only
Close only
Linked operation of components 
when door key is usedSlide onlyTilt only
Wireless remote control linked 
operationONOFF
Linked operation of components 
when wireless remote control 
used
Slide onlyTilt only
Automatic light 
control system
Light sensor sensitivityLevel 3Levels 1 to 5
Time elapsed before headlights 
automatically turn off after 
doors are closed
30 seconds
0 seconds
60 seconds
90 seconds
Day time running lightONOFF*
Windshield 
wipers and 
washer
Switching operation when the 
vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the drip 
prevention function operates
Va r i a b l e  
depending on 
the vehicle 
speed
3 seconds