airbag LEXUS RCF 2019 Owner's Guide

4577-2. Steps to take in an emergency
RC F_U 7
When trouble arises ■
SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (door), side impact sensors (front), side im pact sensors (rear), driver’s
seat position sensor, driver’s seat belt buckle switch, front passenger occupant classifica-
tion system, “AIR BAG ON” indicator light, “A IR BAG OFF” indicator light, front passen-
ger’s seat belt buckle switch, seat belt pretensioners, airbags, interconnecting wiring and
power sources. (  P. 41) ■
Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passenger
is not sitting in the seat. ■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel tank empty?
If it is, fill the fu el tank immediately.●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after severa l trips, contact your Lexus dealer as soon as
possible. ■
Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficien t or the voltage temporarily drops, the
electric power steering system warning li ght may come on and the warning buzzer may
sound. ■
When the tire pressure warning light comes on
Check the tire inflation pressu re and adjust to the approp riate level. Pushing the tire
pressure warning reset switch will not tu rn off the tire pressure warning light.■
The tire pressure warning light ma y come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural air
leaks and tire inflation pressure changes caus ed by temperature. In this case, adjusting
the tire inflation pressure will turn off the warning light (aft er a few minutes).■
When a tire is replaced with the spare tire (if equipped)
The spare tire is not equipped with a tire pr essure warning valve and transmitter. If a tire
goes flat, the tire pressure warning light will not turn off even though the flat tire has been
replaced with the spare tire. ■
Conditions that the tire pressure wa rning system may not function properly
 P. 417 ■
If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute when the
engine switch is turned to IGNITION ON mo de, have it checked by your Lexus dealer.■
Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.

4677-2. Steps to take in an emergency
RC F_U 7
When trouble arises Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
 P. 526Warning message Details/Actions(U.S.A.) (Canada)

514 7-2. Steps to take in an emergency
RC F_U WARNING ■
When fixing the flat tire
Observe the following precautions.
Failure to do so may result in death or serious injury.●
Stop your vehicle in a safe and flat area. ●
Do not touch the wheels or the area around the brakes immediately after the vehicle
has been driven.
After the vehicle has been driven, the wheels and the area around the brakes may be
extremely hot. Touching these areas with hands, feet or other body parts may result in
burns. ●
Connect the valve and hose securely with the tire installed on the vehicle.
• If the hose is not properly connected to the valve, air leakage may occur or sealant
may be sprayed out.
• If the hose comes off the valve while inflating the tire, there is a risk that the hose
will move abruptly due to air pressure.
• After inflation of the tire has completed, the sealant may splatter when the hose is
disconnected or some air is let out of the tire. ●
Follow the operation procedure to repair the tire. If the procedure is not followed, the
sealant may spray out. ●
Keep back from the tire while it is being re paired, as there is a chance of it bursting
while the repair operation is being performed. If you notice any cracks or deforma-
tion of the tire, turn off the compressor sw itch and stop the repa ir operation immedi-
ately. ●
The kit may overheat if operated for a long period of time. Do not operate the com-
pressor continuously for more than 35 minutes. ●
Parts of the kit become hot during operation. Be careful handling the kit during and
after operation. Do not touch the metal part around the connecting area between the
bottle and compressor. It will be extremely hot. ●
Do not attach the vehicle speed warning sticker to an area other than the one indi-
cated. If the sticker is attached to an area where an SRS airbag is located, such as the
pad of the steering wheel, it may preven t the SRS airbag from operating properly.■
Driving to spread th e liquid sealant evenly●
Drive the vehicle carefully at a low speed. Be especially careful when turning and cor-
nering. ●
If the vehicle does not drive straight or you feel a pull through the steering wheel, stop
the vehicle and check the following:
• Tire condition. The tire may have separated from the wheel.
• Tire inflation pressure. If tire inflation pressure is 19 psi (130 kPa, 1.3 kgf/cm 2
or
bar) or below, this may in dicate severe tire damage.

599
For owners
9
RC F_U Reporting safety defects for
U.S. owners .............................. 600
Seat belt instructions for
Canadian owners
(in French)................................... 601
SRS airbag instructions for
Canadian owners
(in French)..................................603

603
9
For owners
RC F_U ◆ Coussins gonflables frontaux SRS
Coussin gonflable conducteur/coussin gonflable du passager avant SRS
Participent à la protection de la tête et du thorax du conducteur et du pas-
sager avant contre les chocs contre les éléments de l'habitacle
Coussins gonflables de genoux SRS
Participent à la protection du conducteur et du passager avant
◆ Coussins gonflables latéraux et rideaux SRS
Coussins gonflables latéraux SRS
Participent à la protection du to rse des occupants de siège avant
Coussins gonflables rideaux SRS
Participent principalement à la protection de la tête des occupants ●
Participent principalement à la protec tion de la tête des occupants des
sièges latéraux ●
Peut contribuer à empêcher les occupants d’être éjectés du véhicule en
cas de tonneauSRS airbag instructions for Canadian owners (in
French) The following is a French explanation of SRS airbag instructions extracted
from the SRS airbag section in this manual.
See the SRS airbag section for more detailed SRS airbag instructions in
English.
1
2
3
4

616
RC F_U Alphabetical index
Alphabetical index A/C ............................................................ 333
Air conditioning filter........................425
Automatic air conditioning
system ..................................................333
ABS (Anti-lock Brake System).........312
Warning light .......................................453
Active rear wing.................................... 307
Active Sound Control
(ASC).......................................... 223, 224
Adaptive Variable
Suspension System.............................313
Air conditioning filter .......................... 425
Air conditioning system ..................... 333
Air conditioning filter........................425
Automatic air conditioning
system ..................................................333 Airbags ........................................................ 40
Airbag operating conditions ...........47
Airbag precautions
for your child ........................................42
Correct driving posture .....................32
Curtain shield airbag
operating conditions ........................47
Curtain shield airbag
precautions .......................................... 44
Front passenger occupant
classification system........................... 51
General airbag precautions ............42
Locations of airbags............................ 40
Modification and disposal
of airbags............................................... 46
Side airbag operating
conditions ..............................................47
Side airbag precautions .....................42
Side and curtain shield airbags
operating conditions ........................47
Side and curtain shield
airbags precautions ..........................42
SRS airbags ............................................. 40
SRS warning light .............................. 453A

618 Alphabetical index
RC F_U Card key ................................................... 140
Care ................................................. 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Cargo capacity...................................... 204
Cargo hooks .......................................... 353
Chains ............................................ 322, 322
Child restraint system............................ 58
Child seats definition .......................... 58
Child seats installation ................. 65, 71
Front passenger occupant
classification system ...........................51
Installing a CRS to
the passenger seat............................ 62
Installing a CRS to the rear
seat............................................................ 64
Installing CRS
with LATCH anchors ..................... 72
Installing CRS with seat belts ..........65
Installing CRS
with top tether strap ......................... 76 Child safety ................................................. 57
Airbag precautions...............................42
Battery precautions ............... 410, 525
Child restraint system......................... 58
How your child should wear
the seat belt .......................................... 36
Installing child restraints .................... 58
Moon roof precautions ................... 189
Power window lock switch.............182
Power window precautions .......... 185
Removed electronic
key battery precautions .............. 428
Seat belt extender
precautions .......................................... 39
Seat belt precautions .......................... 38
Seat heater precautions ................. 344
Trunk precautions ...............................154C

619Alphabetical index
RC F_U Cleaning......................................... 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Clock ......................................................... 355
Coat hooks..............................................358
Compass .................................................. 366
Condenser .............................................. 406
Console box ............................................ 351
Cooling system ..................................... 404
Engine overheating...........................526
Cruise control
Dynamic radar cruise control..... 268
Cup holders ............................................ 352
Current fuel consumption ....... 108, 122
Curtain shield airbags ........................... 40
Customizable features ....................... 569 Daytime running light system...........226
Defogger
Outside rear view mirrors ............338
Rear window........................................338
Windshield............................................338
Differential
Front differential .................................545
Rear differential................................... 546
Dimension ............................................... 536
Dinghy towing ....................................... 206
Display
Drive information...................... 108, 122
Dynamic radar cruise control .....268
LDA (Lane Departure Alert
with steering control) ................... 265
Multi-information display....... 103, 118
Warning message.............................460
Distance ...........................................108, 122
Do-it-yourself maintenance............... 391
Door courtesy lights
Location ................................................. 347
Door lock
Doors.........................................................145
Smart access system with
push-button start ..............................156
Wireless remote control..................140 D

624 Alphabetical index
RC F_U Jack
Positioning a floor jack ....................394
Vehicle-equipped jack ......489, 502
Jack handle ................................. 489, 502
Jam protection function
Front seats .............................................. 162
Moon roof .............................................. 187
Power windows ................................... 183 Keyless entry
Smart access system
with push-button start........... 145, 151
Wireless remote control......... 145, 151
Keys ............................................................. 140
Battery-saving function ................... 158
Electronic key ........................................140
Engine switch ...................................... 207
If the electronic key
does not operate properly ......... 518
Key number plate ................................140
Keyless entry ..........................................140
Mechanical key.......................................141
Replacing the battery .......................427
Warning buzzer...................................146
Wireless remote control..................140
Knee airbags ............................................. 40J K

629Alphabetical index
RC F_U Seat heaters ............................................ 345
Seat position memory...........................166
Seat ventilators ...................................... 346
Seating capacity.................................... 204
Seats, Front ................................................ 161
Adjustment ............................................... 161
Adjustment precautions .................. 163
Child seats/child restraint
system installation............................. 58
Cleaning .................................................. 381
Driving position memory ................ 166
Head restraints ....................................... 171
Jam protection function ................... 162
Properly sitting in the seat ................ 32
Seat heaters ..........................................345
Seat position memory....................... 166
Seat ventilators ....................................346
Seats, Rear ................................................164
Fold down the seatback .................. 164
Luggage security system ................ 152 Sensor
Automatic headlig ht system ........ 226
Camera sensor....................................247
Inside rear view mirror...................... 177
Intuitive parking assist......................280
Radar sensor............................ 252, 292
Rain-sensing windshield
wipers................................................... 239
Service reminder indicators ............... 84
Shift lever ................................................... 213
Automatic transmission .................... 213
If the shift lever
cannot be shifted from P .............. 219
Shift lock system ..................................... 218
Shift position and gear
position...............................................91, 96
Side airbags ............................................... 40
Side marker lights .................................225
Light switch........................................... 225
Replacing light bulbs ....................... 439
* : Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.