
LX570_OM_OM60N01U_(U)
4916-3. Do-it-yourself maintenance
6
Maintenance and care
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large display, air- port or other facility th at generates strong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phone or other wireless
communication device
If tire position information is not correctl y displayed due to the radio wave conditions,
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 rapidly for example when a tire has burst, the
warning may not function.
■The initialization operation
●Make sure to carry out initialization after adjusting the tire inflation pressure.
Also, make sure the tires are cold before carry ing out initialization or tire inflation pres-
sure adjustment.
●If you have accidentally turned the engine swit ch off during initialization, it is not neces-
sary to press the reset switch again as init ialization will restart automatically when the
engine switch has been turned to IG NITION ON mode for the next time.
●If you accidentally press the reset switch when initialization is not necessary, adjust the
tire inflation pressure to the specified level when the tires are co ld, and conduct initial-
ization again.
●While the position of each tire is being de termined and the inflation pressures are not
being displayed on the mu lti-information display, if the in flation pressure of a tire drops,
the tire pressure warning light will come on.

580
LX570_OM_OM60N01U_(U)8-1. 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 un
der that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic 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 vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning 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 numb er of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution 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 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

610
LX570_OM_OM60N01U_(U)
ON/OFF (maintenez enfoncé pendant
quelques secondes)
Le voyant RSCA OFF s’allume (unique-
ment lorsque le contacteur du moteur
est en mode IGNITION ON).
La fonction de détection des tonneaux
des coussins gonflables en rideau et des
dispositifs de tension des ceintures de
sécurité se réactivera automatiquement
chaque fois que le contacteur du
moteur sera placé en mode IGNITION
ON.
WA R N I N G
■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 suiva-
ntes sans d’abord consulter votre concessionnaire Lexus. Les coussins gonflables SRS
pourraient fonctionner de manière incorrecte ou se déployer (gonfler) accidentelle-
ment, ce qui serait susceptible d’occasion ner des blessures graves, voire mortelles.
●Installation, retrait, démontage et réparation des coussins gonflables SRS
●Réparations, modifications, retrait ou remplacement du volant, du tableau de bord,
de la planche de bord, des sièges, du capitonnage des sièges, des montants avant,
latéraux et arrière ou des brancards de pavillon
●Réparations ou modifications de l’aile avant, du pare-chocs avant ou du côté de l’hab-
itacle
●Installation d’une protection de calandre (barre safari, barre kangourou, etc.), de
lames de déneigement, de treuil s ou d’un porte-bagages de toit
●Modifications du système de suspension du véhicule
●Installation d’appareils électroniques tels qu’un émetteur-récepteur radio ou un lect-
eur de CD
●Modifications à votre véhicule pour une personne aux capacités physiques réduites
Désactivation des coussins gonflables en rideau si le véhicule fait des
tonneaux
WA R N I N G
■Pour la conduite normale
Assurez-vous que le voyant RSCA OFF n’es t pas allumé. S’il reste allumé, le coussin
gonflable en rideau ne se déploiera pas en cas d’accident, ce qui pourrait occasionner
des blessures graves, voire mortelles.

612What to do if... (Troubleshooting)
LX570_OM_OM60N01U_(U)
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 2 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 1 1 4 )
●Is the electronic key battery weak or depleted? ( P. 5 0 3 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 2 0 6 )
●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 4 )
●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 8 )
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

626Alphabetical index
LX570_OM_OM60N01U_(U)
Personal lights..........................................419Switch.........................................................421
Wattage ................................................. 570
Power back door ....................................123
Power easy access system .................. 151
Power outlet ........................................... 434
Power steering Fluid.......................................................... 568
Power windows .......................................165 Jam protection function ................... 165
Operation ............................................... 165
Window lock switch.......................... 165
Radar cruise control (dynamic radar cruise control with
full-speed range) ................................. 271
Radiator .................................................... 479
Radio
*
Rear air conditioning system .............412
Rear seat ....................................................142 Adjustment ..............................................142
Folding the third seats ...................... 145
Tumbling the second seats ............ 143
Rear side marker lights ...................... 220 Light switch ...........................................220
Replacing light bulbs ......................... 510
Rear turn signal lights ...........................216 Replacing light bulbs ......................... 510
Turn signal lever .................................. 216
Rear view mirror Inside rear view mirror ..................... 160
Outside rear view mirrors .............. 162
Rear view monitor system
*
Rear window defogger ...................... 407 Rear window wiper ............................. 235
Refueling.................................................. 239
Capacity ................................................. 564
Fuel types............................................... 564
Opening the fuel tank cap ............ 239
Remote touch/12.3-inch display .................................................... 394
Replacing Electronic key battery .....................503
Fuses ....................................................... 505
Light bulbs............................................ 508
Tires ..........................................................536
Reporting safety defects for U.S. owners ......................................... 600
Resetting the message indicating maintenance is required ................ 465
Safety Connect ....................................... 451
Scheduled maintenance ....................464
Seat belts .................................................... 30 Adjusting the seat belt........................ 33
Automatic Locking Retractor ........ 34
Child restraint system installation ............................................. 63
Cleaning and maintaining the seat belt ............................................... 462
Emergency locking retractor ......... 34
How to wear your seat belt............. 28
How your child should wear the seat belt .......................................... 34
Pregnant women, proper seat belt use ................................................... 35
Reminder light and buzzer ........... 526
Seat belt extender ................................ 34
Seat belt pretensioners ...................... 33
SRS warning light .............................. 524
R
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