2019 LEXUS UX250H radio

3496-3. Do-it-yourself maintenance
6
Maintenance and care
the display may be corrected by driving and
changing the radio wave conditions.
●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.
■Warning performance of the tire pres-
sure warning system
The warning of the tire pressure warning
system will change in accordance with the
conditions under which it was initialized. For
this reason, the system may give a warning
even if the tire pressure does not reach a
low enough level, or if the pressure is higher
than the pressure that was adjusted to when
the system was initialized.
■Certification for tire pressure warning system
For vehicles sold in the U.S.A. , Hawaii, Guam and Puerto Rico

4298-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
Tire pressure when the vehicle 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 pressureThe maximum cold inflated pre ssure to which a tire may be
inflated, shown on th e sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manufac-
turer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of hybr id transmission, power steer-
ing, 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 vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant, and
if so equipped, air conditio ning and additional weight
optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants specified in
the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a ve hicle as specified in the third
column of Table 1
* below
Production options weight
The combined weight of in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the stan-
dard items which they replace, not previously considered in
curb weight or accessory we ight, including heavy duty
brakes, ride levelers, roof r ack, heavy duty 12-volt 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

4569-1. For owners
Phares à faisceau uniqueBoulon de réglage A
Boulon de réglage B
Phares à triple faisceauBoulon de réglage A
Boulon de réglage B
AVERTISSEMENT
■Modification et mise au rebut des
composants du système de coussins
gonflables SRS
Ne mettez pas votre véhicule au rebut et
n’effectuez aucune des modifications
suivantes sans d’abord consulter votre
concessionnaire Lexus. Les coussins
gonflables SRS pourraient fonctionner
de manière incorrecte ou se déployer
(gonfler) accidentellement, ce qui serait
susceptible d’occasionner des blessures
graves, voire mortelles.
●Installation, retrait, démontage et
réparation des coussins gonflables
SRS
●Réparations, modifications, retrait ou
remplacement du vo lant, du tableau
de bord, de la planche de bord, des
sièges ou du capitonnage des sièges,
des montants avant, latéraux et arrière,
des brancards de pavillon, des pan-
neaux des portières avant, des garni-
tures des portières avant ou des haut-
parleurs des portières avant
●Modifications du panneau de la
portière avant (comme le perforer)
●Réparations ou modifications de l’aile
avant, du pare-chocs avant ou du côté
de l’habitacle
●Installation d’une pr otection de calan-
dre (barre safari, barre kangourou,
etc.), de lames de déneigement, de
treuils ou d’un porte-bagages de toit
●Modifications du système de suspen-
sion du véhicule
●Installation d’appareils électroniques
tels qu’un émetteur-récepteur radio
ou un lecteur de CD
●Modifications à votre véhicule pour
une personne aux cap acités physiques
réduites
Headlight aim instructions
f
or Canadian owners (in
F
rench)
The following is a French explana-
tion of headlight aim instructions
from the headlight aim section in
this manual.
Boulons de réglage vertical
A
B
A
B

460What to do if... (Troubleshooting)
1-1.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.402)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.402)
 Is the electronic key battery weak or
depleted? ( P.368)
 Is the power switch in ON?
When locking the doors, turn the
power switch off. ( P.162)
 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.125) 
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.111)
 Did you press the power switch
while firmly depressing the brake
pedal? ( P.162)
 Is the shift lever in P? ( P.167)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.124)
 Is the steering wheel unlocked?
( P.163)
 Is the electronic key battery weak or
depleted?
In this case, the hybrid system can
be started in a temporary way.
( P.404)
 Is the 12-volt battery discharged?
( P.405)
 Is the power switch in ON?
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 cannot be shifted
from P even if you depress the
brake pedal