Page 445 of 680

4456-2. Using the interior lights
6
Interior features
NX300h_OM_USA_OM78082U
Tu r n s t h e l i g h t o n /o f f
The rear interior light is also turned on/
off by the front interior light operations.
If the light is turned on by front interior
light operation, the rear interior light
cannot turn off by pressing the switch.
●Illuminated entry system: The lights automatically turn on/off according to power switch
mode, the presence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
●If the interior lights remain on when the power switch is turned off, the lights will go off
automatically after 20 minutes.
●In the following cases, the front interior li ghts and personal lights may not respond as
normal.
• When water, dirt, etc., have adhered to the lens surface
• When operated with a wet hand
• When wearing gloves, etc.
●Settings (e.g. the time elapsed before the lights turn off) can be changed.
(Customizable features: P. 6 3 5 )
Rear interior light
NOTICE
●Never remove the lens for the front interior light and personal lights. Otherwise, the
lights will be damaged. If the lens need to remove, contact your Lexus dealer.
●To prevent 12-volt battery discharge, do not leave the lights on longer than necessary
when the hybrid system is off.
Page 467 of 680

4676-4. Other interior features
6
Interior features
NX300h_OM_USA_OM78082U
Garage door opener
The HomeLink® wireless control system in your vehicle has 3 buttons which can
be programmed to operate 3 different devices. Refer to the programming meth-
ods on the following pages to determine the method which is appropriate for the
device.
HomeLink
® indicator light
Garage door operation indicators
Buttons
■Before programming the HomeLink®
●During programming, it is possible that garage doors, gates, or other
devices may operate. For this reason, make sure that people and objects
are clear of the garage door or other devices to prevent injury or other
potential harm.
●It is recommended that a new battery be placed in the remote control
transmitter for more accurate programming.
●Garage door opener motors manufactured after 1995 may be equipped
with rolling code protection. If this is the case, you may need a stepladder
or other sturdy, safe device to reach the “Learn” or “Smart” button on the
garage door opener motor.
: If equipped
The garage door opener can be programmed to operate garage doors, gates,
entry doors, door locks, home lighting systems, security systems, and other
devices.
HomeLink®
1
2
3
Page 475 of 680

4756-4. Other interior features
6
Interior features
NX300h_OM_USA_OM78082U
■Circling calibrationStop the vehicle in a place where it is safe to drive in a circle.
Press and hold the button for 9
seconds.
“C” appears on the compass display.
Drive the vehicle at 5 mph
(8 km/h) or less in a circle until a
direction is displayed.
If there is not enough space to drive
in a circle, drive around the block
until a direction is displayed.
■Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
●The vehicle is stopped immediately after turning.
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth’s ma gnetic field is subject to interference by
artificial magnetic fields (underground car park/parking lot, under a steel tower,
between buildings, roof car park/parking lot, near an intersection, near a large vehicle,
etc.).
●The vehicle has become magnetized. (There is a magnet or metal object near the inside
rear view mirror.)
●The 12-volt battery has been disconnected.
●A door is open.
1
2
3
Page 485 of 680

4857-1. Maintenance and care
7
Maintenance and care
NX300h_OM_USA_OM78082U
■Note for a smart access system with push-button start
●If the door handle becomes wet while the electronic key is within the effective range,
the door may lock and unlock repeatedly. Place the key in a position 6 ft. (2 m) or more
separate from the vehicle while the vehicle is being washed. (Take care to ensure that
the key is not stolen.)
●If the electronic key is insi de the vehicle and a door handle becomes wet during a car
wash, a buzzer will sound outside the vehicle. To turn off the alarm, lock all the doors.
●Set the electronic key to battery-saving mode to disable the smart access system with
push-button start. ( P. 1 4 1 )
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent. Do not use hard brushes or
abrasive cleaners. Do not use strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when they are hot, for example after driving for
long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers
Do not scrub with abrasive cleaners.
■Front side windows water-repellent coatin g (vehicles with water-repellent coating)
●The following precautions can extend the effectiveness of the water-repellent coating.
• Remove any dirt, etc. from the front side windows regularly.
• Do not allow dirt and dust to accumulate on the windows for a long period.
Clean the windows with a soft, da mp cloth as soon as possible.
• Do not use wax or glass cleaners that co ntain abrasives when cleaning the windows.
• Do not use any metallic objects to remove condensation build up.
●When the water-repellent performance has become insufficient, the coating can be
repaired. Contact your Lexus dealer.
Page 496 of 680
4967-2. Maintenance
NX300h_OM_USA_OM78082U
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work properly?
Fluid leaks• There should not be any si gns of fluid leakage after
the vehicle has been parked.
Ti r e s
• Is the tire inflation pressure correct?
• The tires should not be damaged or excessively worn.
• Have the tires been rotated according to the mainte- nance schedule?
• The wheel nuts should not be loose.
Windshield wipers/
rear window wiper
• The wiper blades should no t show any signs of crack-
ing, splitting, wear, contamination or deformation.
• The wiper blades should clear the windshield/rear
window without streaking or skipping.
WA R N I N G
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation before per-
forming maintenance checks.
Page 513 of 680

5137-3. Do-it-yourself maintenance
7
Maintenance and care
NX300h_OM_USA_OM78082U
Make sure that the 12-volt battery terminals are not corroded and that there are
no loose connections, cracks, or loose clamps.Te r m i n a l s
Hold-down clamp
Insert the left side auxiliary box. Push up center position
Insert
Press
■Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flammable and
explosive. Therefore, observe the following precautions before recharging:
●If recharging with the 12-volt battery installe d on the vehicle, be sure to disconnect the
ground cable.
●Make sure the power switch on the charger is off when connecting and disconnecting
the charger cables to the 12-volt battery.
■After recharging/reconnecting the 12-volt battery
●The hybrid system may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the hybrid system.
●Unlocking the doors using the smart access system with push-button start may not be
possible immediately after reconnecting the 12-volt battery. If this happens, use the
wireless remote control or the mech anical key to lock/unlock the doors.
●Start the hybrid system with the power switch in ACCESSORY mode. The hybrid sys-
tem may not start with the power switch turned off. However, the hybrid system will
operate normally from the second attempt.
Exterior
1
2
Installing the 12-volt battery maintenance cover
1
2
3
1
2
3
Page 550 of 680
5507-3. Do-it-yourself maintenance
NX300h_OM_USA_OM78082U
Install the 2 bolts.
Install the cover.
■Back-up lights Open the back door and remove
the cover.
Press down on the notch on the
cover and remove the cover.
It is recommended for safeguarding
to wrap the tip of the screwdriver
with a cloth, etc., in order to prevent
scratches to the vehicle.
Turn the bulb base counterclock-
wise.
10
11
1
2
Page 573 of 680

5738-2. Steps to take in an emergency
8
When trouble arises
NX300h_OM_USA_OM78082U
*: A buzzer sounds the first time a message is shown on the multi-information display.
■System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sep-
arate system warning light will come on along with a message shown on the multi-infor-
mation display.
●Malfunction of the ABS
The ABS warning light comes on. ( P. 566)
●Malfunction of th e charging system
The charging system warning light comes on. ( P. 565)
■If “Hybrid System Overheated Reduced Output Power” is shown
This message may be displayed when driv ing under severe operating conditions.
(For example, when drivin g up a long steep hill.)
Handling method: P. 5 9 9
■If “Cooling Performance of The Hybrid Battery Is Low” is shown
The filter may be clogged, or the air intake vents or ducts may be blocked. Have the vehi-
cle inspected by your Lexus dealer.
■If “Hybrid Battery Low Shift Out of N to Recharge” is shown
Message is displayed when the remaining charge for the hybrid battery (traction battery)
is low.
As the hybrid battery (traction battery) cannot be charged when the shift lever is in N,
when stopped for long periods of time shift the shift lever to P.
■If “Hybrid Battery Low Hybrid System St opped Shift to P and Restart” is shown
Message is displayed when the remaining charge for the hybrid battery (traction battery)
is low, because vehicle has been sh ifted N for a long period of time.
When operating the vehicle, restart the hybrid system.
■If “Shift to P Before Exiting Vehicle” is shown
Message is displayed when the driver’s door is opened without turning the power switch
to OFF with the shift lever in any position other than P.
Shift the shift lever to P.
■If “Shift Is in N Release Accele rator Before Shifting” is shown
Message is displayed when the accelerator pe dal has been depressed and the shift lever
is in N. Release the accelerator peda l and shift the shift lever to D or R.
Comes
onDoes not sound
Indicates a condition, such as malfunc-
tion of electrical components, their
condition, or indicates the need for
maintenance
FlashesDoes not sound
Indicates a situation, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly
System
warning
lightWa r n i n g b u z z e r*Wa r n i n g