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520
5-2. Steps to take in an emergency
OnceCon-
tinuous
(Displayed alternately)(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “POWER”
switch off.
Tu r n t h e
“POWER” switch
off and lock the
doors again.
Once
(Flashes)
An attempt was
made to start the
hybrid system
without the elec-
tronic key being
present, or the
electronic key was
not functioning
normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle.
Confirm that the
electronic key is
inside the vehicle.
Con-
tinuous
(Flashes)
The driver’s door
was opened while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
Change the shift
position to P.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
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5
When trouble arises
521
5-2. Steps to take in an emergency
Con-
tinuousCon-
tinuous
(Displayed alternately)(Flashes)
The electronic key
was carried out-
side the vehicle
and the driver’s
door was opened
and closed while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
• Change the shift position to P.
• Bring the elec- tronic key back
into the vehicle.
OnceCon-
tinuous
(Flashes)
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
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526
5-2. Steps to take in an emergency
■Warning light display in radar cruise mode
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■After changing the engine oil (U.S.A. only)
Make sure to reset the oil maintenance data. ( P. 4 3 2 )
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548
5-2. Steps to take in an emergency
If your vehicle overheats
Correction procedures■ If the engine coolant temperature warning light comes on or flashes
Stop the vehicle in a safe place and turn off the air conditioning
system.
Check to see if steam is coming out from the engine area.
If you see steam:
Stop the hybrid system. Carefully lift the hood after the steam
subsides and then restart the hybrid system.
If you do not see steam:
Leave the hybrid system operating and carefully lift the hood.
Check to see if the cooling fans are operating.
If the fans are operating:
Wait until the high engine coolant temperature warning light goes
off and then stop the hybrid system.
If the fans are not operating:
Stop the hybrid system immediately and call your Lexus dealer.
The following may indicate that your vehicle is overheating:
●The high engine coolant temperature warning light comes on or
flashes:
The engine may be overheating.
● “HYBRID SYSTEM OVERHEAT” is sh own on the multi-information
display:
The power control unit may be overheating.
Follow the correction procedure as described below.
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5
When trouble arises
549
5-2. Steps to take in an emergency
After the hybrid system has cooled
down sufficiently, check the engine
coolant level and inspect the cool-
ing system for leaks.
If the engine compartment cover
needs to be removed. (P. 4 2 9 )
Add engine coolant if necessary.
Water can be used in an emer-
gency if engine coolant is unavail-
able. ( P. 5 6 0 )
Have the vehicle inspected at the ne arest Lexus dealer as soon as possi-
ble.
■ If “HYBRID SYSTEM OVERHEAT” is shown on the multi-informa-
tion display
Stop the vehicle in a safe place and turn off the air conditioning
system.
Leave the hybrid system operating and carefully lift the hood.
Check if the cooling fans are operating.
If the fans are operating:
Wait until the “HYBRID SYSTEM OVERHEAT” message disap-
pears and then stop the hybrid system.
If the message does not disappear, call your Lexus dealer.
If the fans are not operating:
Stop the hybrid system immediately and call your Lexus dealer.
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550
5-2. Steps to take in an emergency
After the hybrid system has cooled
down, check the power control
unit coolant level and inspect the
cooling system for leaks.
If the engine compartment cover
needs to be removed. (P. 4 2 9 )
Add power control unit coolant if
necessary.
Water can be used in an emer-
gency if power control unit coolant
is unavailable. ( P. 5 6 0 )
Have the vehicle inspected at the ne arest Lexus dealer as soon as possi-
ble.
■Overheating
The following symptoms may occur wh en your vehicle is overheating:
●The high engine coolant temperature warn ing light comes on or flashes, or the
hybrid system output decreases.
●Steam comes out from the engine area.
●“HYBRID SYSTEM OVERHEAT” is displayed on the multi-information display.
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6-2. Customization
Customizable features
Customizing vehicle featuresIt is possible to customize certain ve hicle features using the multi-infor-
mation switches.*
When customizing vehicle features, ensu re that the vehicle is parked in a
safe place with the P po sition indicator and P po sition switch illuminated
and the parking brake set.
Press and hold the menu switch of
the multi-information switches to
display customization mode.
Press the “ENTER” switch
upwards or downwards to select
the item to be customized and
press the “ENTER” switch to con-
firm.
Your vehicle includes a variety of elec tronic features that can be personal-
ized to suit your preferences. Programming these preferences requires
specialized equipment and may be performed by your Lexus dealer.
It is also possible to customize certain vehicle features yourself using the
multi-information switches and the navigation screen.
Some function settings are changed simultaneously with other functions
being customized. Contact your Lexus dealer for further details.
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590
6-2. Customization
Multi-information display (P. 1 7 2 )
Settings that can be changed using the multi-information switches
Available unitsmiles (MPG), km (km/l), km (l/100 km)
Available languagesEnglish, French and Spanish
■Vehicle customization
●When the “Speed-detecting automatic door lock function” and “Selecting other
than P position locks all d oors” are both on, the door lock operates as follows.
• When any one of the shift position indicato rs other than P is illuminated, all the
doors will be locked.
• If the vehicle is started with all the doors locked, the “Speed-detecting auto- matic door lock function” would not operate.
• If the vehicle is started with any door unlocked, the “Speed-detecting auto-
matic door lock function” will operate.
●When the smart access syst em with push-button start is off, the “Smart door
unlocking function” cannot be customized.
●When the doors remain closed after unlocking the doors and the “Automatic
door lock function” activates, the signals will be generated in accordance with
the “Operation signal (emergency flashers)” and the “Operation signal (buzzer
volume)” settings.
■In the following situations, customize mode in which the settings can be changed
through the multi-information switches will automatically be turned off.
●A warning message appears after the customize mode screen is displayed.
●The “POWER” switch is turned off.
●The vehicle begins to move while the customize mode screen is displayed.