2018 LEXUS NX300h radio

340 6-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
Situations in which the tire pressure
warning system may not operate prop-
erly●
In the following cases, the tire pressure
warning system may not operate prop-
erly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is
not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is
not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is
equipped.
• If a window tint that affects the radio wave
signals is installed.
• If there is a lot of snow or ice on the vehi-
cle, particularly around the wheels or
wheel housings.
• If the tire inflation pressure is extremely
higher than the specified level.
• If wheel without the tire pressure warning
valve and transmitter is used.
• If the ID code on the tire pressure warn-
ing valves and transmitters is not regis-
tered in the tire pressure warning
computer.●
Performance may be affected in the fol-
lowing situations.
• Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other faci lity that generates
strong radio waves or electrical noise
• When carrying a portable radio, cellular
phone, cordless phone or other wireless
communication device
●
When the vehicle is parked, the time
taken for the warning to start or go off
could be extended.
●
When tire inflation pressure declines rap-
idly for example when a tire has burst, the warning may not function.
When replacing tires or wheels, tire WARNING■
Caution regarding interference with
electronic devices ●
People with implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should not
come within 17.7 in. (450 mm) of the
tire pressure warning system initiators.
The radio waves may affect the opera-
tion of such devices.
●
Users of any electrical medical device
other than implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should con-
sult the manufacturer of the device for
information about its operation under
the influence of radio waves.
Radio waves could have unexpected
effects on the operation of such medi-
cal devices.
Installing tire pressure warning
valves and transmitters

414 8-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_OM78212U Glossary of tire terminology Tire related
term Meaning
Cold tire
inflation
pressure Tire pressure when the vehi-
cle has been parked for
three hours or more, or has
not been driven more than 1
mile or 1.5 km under that
condition
Maximum
inflation
pressure The maximum cold inflated
pressure to which a tire may
be inflated, shown on the
sidewall of the tire
Recom-
mended
inflation
pressure Cold tire inflation pressure
recommended by a manu-
facturer
Accessory
weight The combined weight (in
excess of those standard
items which may be
replaced) of transmission,
power steering, power
brakes, power windows,
power seats, radio and
heater, to the extent that
these items are available as
factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehi-
cle with standard equip-
ment, including the
maximum capacity of fuel,
oil and coolant, and if so
equipped, air conditioning
and additional weight
optional engine Maximum
loaded vehi-
cle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options
weight
Normal
occupant
weight 150 lb. (68 kg) times the
number of occupants speci-
fied in the second column of
Table 1 *
that follows
Occupant
distribution Distribution of occupants in
a vehicle as specified in the
third column of Table 1 *

below
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 lev-
elers, roof rack, heavy duty
12-volt battery, and special
trim
Rim A metal support for a tire or
a tire and tube assembly
upon which the tire beads
are seated
Rim diame-
ter
(Wheel
diameter) Nominal diameter of the
bead seat
Rim size des-
ignation Rim diameter and widthTire related
term Meaning

440 9-1. For owners
LEXUS NX300h Owners Manu-
al_USA_OM78212U WARNING●
Ne rien poser sur le siège du passager
avant, comme un coussin par exemple.
Cela a pour conséquence de répartir
le poids du passager sur toute la sur-
face du siège, ce qui empêche le cap-
teur de détecter normalement le poids
du passager. En conséquence, les
coussins gonflables SRS frontaux du
passager avant peuv ent ne pas se
déployer en cas de collision.■
Modification et élimination en fin de
vie des éléments du système de cous-
sins gonflables SRS
Consultez impérativement votre conces-
sionnaire Lexus si vous avez besoin
d’intervenir sur votre véhicule ou de
procéder à l’une des modifications suiva-
ntes. Les coussins gonflables SRS peu-
vent ne pas fonctionner correctement ou
se déployer (se gonfler) accidentelle-
ment, provoquant ainsi des blessures
graves, voire mortelles. ●
Installation, dépo se, démontage et
réparations des coussins gonflables
SRS●
Réparations, modifications, démon-
tage ou remplacement du volant, du
tableau de bord, de la planche de
bord, des sièges ou de leur garnissage,
des montants avant, latéraux et arrière
ou des rails latéraux de toit
●
Réparation ou modification des ailes
avant, du bouclier avant, ou des flancs
de l’habitacle
●
Installation d’un équipement de pro-
tection sur la calandre (pare-buffle,
pare-kangourou, etc.), d’un chasse-
neige, de treuils ou d’une galerie de
toit
●
Modification des suspensions du
véhicule
●
Installation d’appareils électroniques,
tels qu’un émetteur/récepteur radio ou
lecteur de CD ●
Aménagements du véhicule visant à
permettre sa conduite par une per-
sonne atteinte d’un handicap physique

444 What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U 0-1.What to do if... (Troubleshooting)
What to do if... (Troubleshooting)  If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( → P.386)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( → P.386)
 Is the electronic key battery weak or
depleted? ( → P.347)
 Is the power switch in ON mode?
When locking the doors, turn the
power switch off. ( → P.168)
 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 prop-
erly due to the condition of the radio
wave. ( → P.169)  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.109)
 Did you press the power switch
while firmly depressing the brake
pedal? ( → P.168)
 Is the shift lever in P? ( → P.168)
 Is the electronic key anywhere
detectable inside the vehicle?
( → P.122)
 Is the steering wheel unlocked?
( → P.169)
 Is the electronic key battery weak or
depleted?
In this case, the hybrid system can
be started in a temporary way.
( → P.388)
 Is the 12-volt battery discharged?
( → P.390)
 Is the power switch in ON mode?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
If you think something is wrong The hybrid system does not start
The shift lever ca nnot be shifted
from P even if you depress the
brake pedal