
5838-2. Steps to take in an emergency
8
When trouble arises
NX200t_OM_USA_OM78081U
WA R N I N G
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable gas
that may be emitted from the battery:
●Make sure each jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any other than the intended terminal.
●Do not allow the other end of the jumper cable connected to the “+” terminal to come
into contact with any other parts or metal surfaces in the area, such as brackets or
unpainted metal.
●Do not allow the + and - clamps of the jump er cables to come into contact with each
other.
●Do not smoke, use matches, cigarette lighters or allow open flame near the battery.
■Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts
contain lead and lead comp ounds. Observe the following precautions when handling
the battery:
●When working with the battery, always wear safety glasses and take care not to allow
any battery fluids (acid) to come into contact with skin, clothing or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes into contact with the skin or eyes, immediately
wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention can be
received.
●Always wash your hands after handling the battery support, terminals, and other bat-
tery-related parts.
●Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure th at they do not become entangled in the
cooling fans or engine drive belt.

5949-1. Specifications
NX200t_OM_USA_OM78081U
*: The coolant capacity is the quantity of reference. If replacement is necessary, contact your Lexus dealer.
Cooling system
Capacity*
Gasoline
engine8.3 qt. (7.9 L, 7.0 Imp.qt.)
Intercooler3.1 qt. (2.9 L, 2.6 Imp.qt.)
Coolant type
Use either of the following: • “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeNGK DILFR7K9G
Gap0.04 in. (0.9 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage at 68F (20 C):
12.6 V or higher: Fully charged
12.2 — 12.4 V: Half charged
12.0 V or lower: Discharged
(Voltage is checked 20 minutes after the engine
and all lights ar e turned off.)
Charging rates5 A max.

6099-1. Specifications
9
Vehicle specifications
NX200t_OM_USA_OM78081U
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68 kg)
times the vehicle’s designated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by dis-
tributing to each axle its share of the maximum loaded
vehicle weight, and dividing by two
Vehicle normal load on the
tire
The load on an individual tire that is determined by dis-
tributing to each axle its sh are of curb weight, accessory
weight, and normal occupant weight (distributed in
accordance with Table 1
* below), and dividing by two
We a t h e r s i d eThe surface area of the rim not covered by the inflated
tire
BeadThe part of the tire that is made of steel wires, wrapped
or reinforced by ply cords and that is shaped to fit the
rim
Tire related termMeaning

6239-2. Customization
9
Vehicle specifications
NX200t_OM_USA_OM78081U
■Vehicle customization
●When the speed linked door locking function and shift position linked door locking
function are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, all th e doors will be locked.
• If the vehicle is started with all the door s locked, the speed linked door locking func-
tion would not operate.
• If the vehicle is started with any door un locked, the speed linked door locking func-
tion will operate.
●When the smart access system with push-but ton start is off, smart door unlocking can-
not be customized.
●When the doors remain closed after unloc king the doors and the automatic door lock
function is activated, the signals will be generated in accordance with the Operation
signal (buzzer) and the Operation si gnal (emergency flashers) settings.
■In the following situations, customize mo de in which the settings can be changed
through the multi-in formation display will automatically be turned off.
●A warning message appears after the cu stomize mode screen is displayed.
●The engine switch is turned off.
●The vehicle begins to move while the customize mode screen is displayed.
WA R N I N G
■Cautions during customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.

6249-3. Initialization
NX200t_OM_USA_OM78081U
Items to initialize
*:If equipped
The following items must be initialized for normal system operation after such
cases as the battery being reconnecte d, or maintenance being performed on
the vehicle.
ItemWhen to initializeReference
Message indicating mainte-
nance is required (U.S.A. only)• After the maintenance is per- formedP. 4 8 0
Tire pressure warning system
• When rotating the tires on vehi-
cles with differing front and rear
tire inflation pressures
• When changing the tire inflation
pressure by changing traveling
speed or load weight, etc.
• When changing the tire size
P. 5 0 4
Oil maintenance• After the maintenance is per- formedP. 4 9 4
Power back door*
• After reconnecting or changing
the battery
• After changing a fuse
P. 1 2 5
Po w e r w i n d o w• When functioning abnormally normallyP. 1 5 9
Moon roof*P. 1 6 2

638What to do if... (Troubleshooting)
NX200t_OM_USA_OM78081U
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( P. 1 1 0 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 1 1 2 )
●Is the electronic key battery weak or depleted? ( P. 5 1 8 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 1 9 3 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 1 3 3 )
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 1 1 7 )
If you have a problem, check the following before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

639What to do if... (Troubleshooting)
NX200t_OM_USA_OM78081U
●Did you press the engine switch while firmly depressing the brake pedal?
(P. 1 9 3 )
●Is the shift position in P? ( P. 1 9 3 )
●Is the electronic key anywhere detectable inside the vehicle? ( P. 131)
●Is the steering wheel unlocked? ( P. 1 9 5 )
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 5 7 8 )
●Is the battery discharged? ( P. 5 8 0 )
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 5 7 5 )
●It is locked automatically to prevent theft of the vehicle. ( P. 1 9 5 )
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 1 5 8 )
●The auto power off function will be operated if the vehicle is left in
ACCESSORY or IGNITION ON mode (the engine is not operating) for a
period of time. ( P. 1 9 5 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

643Alphabetical index
NX200t_OM_USA_OM78081U
ASC (Active Sound Control) ......... 209
Assist grips .............................................. 455
Audio system (with navigation system)
*
Audio system.......................................... 326 Antenna ..................................................354
Audio input........................................... 335
AUX port.............................................. 335
Bluetooth
® audio ............................. 380
CD player ..............................................357
iPod ...........................................................364
MP3/WMA disc ...............................357
Optimal use ..........................................344
Portable music player ........................371
Radio ......................................................... 351
Setup menu ........................................... 337
Steering wheel audio switches ............................................... 332
USB memory .......................................367
Automatic air conditioning system Air conditioning filter......................... 516
Automatic air conditioning system ..................................................420
Micro dust and pollen filter ...........426
S-FLOW mode .................................. 422
Automatic headlight leveling system ......................................................213
Automatic High Beam ......................... 214
Automatic light control system......... 212
AUX port................................................. 335 Back door .................................................. 120
Wireless remote control..................120
Back-up lights Replacing light bulbs .......................535
Wattage ................................................ 598
Battery If the battery is discharged........... 580
Preparing and checking before winter...................................................... 317
Warning light ...................................... 550
Bluetooth
®............................................. 403
Audio system ...................................... 380
Hands-free system (for cellular phone) ....................... 382
Bottle holders ........................................ 438
Brake Brake Hold ........................................... 207
Fluid ..........................................................596
Parking brake ...................................... 204
Warning light ...................................... 550
Brake assist .............................................. 297
Brake Hold...............................................207
Break-in tips .............................................168
Brightness control Instrument panel light control ........88
BSM (Blind Spot Monitor) ............... 309 Blind Spot Monitor function........... 312
Rear Cross Traffic Alert function.................................................. 314
B
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.