heater LEXUS RCF 2019 Owners Manual

TABLE OF CONTENTS
4
RC F_U 4-5. Using the driving support
systems
Lexus Safety System+ .............. 245
PCS
(Pre-Collision System) ......... 250
LDA
(Lane Departure Alert
with steering control) ..............261
Dynamic radar cruise
control ......................................... 268
Intuitive parking assist..............280
BSM
(Blind Spot Monitor) ............. 290
• BSM function......................... 293
• RCTA function...................... 297
Driving mode select
switch ............................................ 301
Active rear wing ......................... 307
TVD
(Torque Vectoring
Differential) ................................ 310
Driving assist systems ................312
4-6. Driving tips
Winter driving tips ..................... 320 5-1. Using the air conditioning
system
Remote Touch ............................ 326
10.3-inch display ..........................331
Automatic air conditioning
system.......................................... 333
Heated steering wheel/
seat heaters/
seat ventilators ......................... 344
5-2. Using the interior lights
Interior lights list ......................... 347
• Interior lights.......................... 348
• Personal lights....................... 349
5-3. Using the storage features
List of storage features ............ 350
• Glove box .................................351
• Console box ............................351
• Cup holders ........................... 352
Trunk features ............................. 3535
Interior features

25Pictorial index
RC F_U Seat heater switches
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 345
Seat ventilator switches
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 346
Heated steering wheel switch
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 344
Driving mode select switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 301
TVD switch
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 310
Snow mode switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
VSC OFF switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 314
Remote Touch
* 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 326
* 1
: If equipped
* 2
: Refer to “NAVIGATION AND MULT IMEDIA SYSTEM OWNER’S MANUAL”.1
2
3
4
5
6
7
8

325
Interior features
5
RC F_U 5-1. Using the air conditioning
system
Remote Touch .............................326
10.3-inch display ......................... 331
Automatic air conditioning
system ......................................... 333
Heated steering wheel/
seat heaters/
seat ventilators .........................344
5-2. Using the interior lights
Interior lights list.......................... 347
• Interior lights ......................... 348
• Personal lights .......................349
5-3. Using the storage features
List of storage features............ 350
• Glove box ................................ 351
• Console box ............................ 351
• Cup holders............................352
Trunk features............................. 353 5-4. Using the other interior
features
Other interior features ............ 354
• Sun visors ................................ 354
• Vanity mirrors ....................... 354
• Clock ........................................355
• Power outlet...........................355
• Armrest .................................... 356
•Trunk storage
extension ................................. 357
• Assist grips..............................358
• Coat hooks .............................358
Garage door op ener ...............359
Compass ....................................... 366
LEXUS Enform Safety
Connect ...................................... 370

344 5-1. Using the air conditioning system
RC F_U Turn the heated steering wheel on/off The indicator light comes on when the
heated steering wheel is operating.
●
The heated steering wheel can be used wh en the engine switch is in IGNITION ON
mode. ●
The heated steering wheel will automati cally turn off after about 30 minutes.Heated steering wheel 
/seat heaters 
/seat ventila-
tors 
 : If equippedHeated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat vent ilators maintain good ventilation using
a fan built into the seat. WARNING ●
Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel or seats when the heater is on:
• Babies, small children, the elderly, the sick and the ph ysically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold
remedies, etc.) ●
Observe the following precautions to prevent the minor burns or overheating
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE ●
Do not put heavy objects that have an unev en surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat. ●
To prevent battery discharge, do not us e the functions when the engine is off.
Heated steering wheel

3455-1. Using the air conditioning system
5
Interior features
RC F_U Each time the switch is pressed, the
intensity of the seat heater changes and
the level indicator lights (amber) light
as follows:
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off■
The seat heaters can be used when
The engine switch is in IGNITION ON mode. ■
Seat heater timer control
To enable seat heater timer control, press and hold the driver and front passenger seat
heater switches at the same time when the vehicle is stopped until a buzzer sounds once.
If a seat heater is turned on while seat heater timer control is enabled, the intensity of the
seat heater will automa tically change from Hi  Mid  Lo.
The timing of the change in seat heater in tensity differs depending on the temperature
inside the cabin, etc. when the seat heater is operating.
To disable seat heater timer control, press and hold the driver and front passenger seat
heater switches at the same time until a buzzer sounds twice.Seat heaters Type A Type B

3836-1. Maintenance and care
6
Maintenance and care
RC F_U NOTICE ■
Cleaning detergents ●
Do not use the following liquids, as they ma y discolor the vehicle interior or cause
streaks or damage to painted surfaces:
• Center Display: Organic substances such as benzine or gasoline, alkaline solu-
tions, and alcohol
• Seats: Alkaline solutions, or ganic substances such as thinner or benzine, and alco-
hol
• Other parts: Organic substances such as benzine or gasoline , alkaline or acidic
solutions, dye, and bleach ●
Do not use polish wax or polis h cleaner. The instrument pane l’s or other interior part’s
painted surface may be damaged. ■
Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of leather
surfaces: ●
Remove any dust or dirt from leather surfaces immediately.●
Do not expose the vehicle to direct sunlight for extended periods of time. Park the
vehicle in the shade, especially during summer. ●
Do not place items made of vinyl, plastic, or containing wax on the upholstery, as they
may stick to the leather su rface if the vehicle interior heats up significantly.■
Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system ma y be damaged if wate r comes into contact
with electrical components such as the au dio system above or un der the floor of the
vehicle. Water may also cause the body to rust. ■
When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not touch the lens. (  P. 247)■
Cleaning the inside of the rear window ●
Do not use glass cleaner to clean the rear window, as this may cause damage to the
rear window defogger heater wires or antenna. Use a cloth dampened with luke-
warm water to gently wipe the window clean. Wipe th e window in strokes running
parallel to the heater wires or antenna. ●
Be careful not to scratch or damage the heater wires or antenna.

564 8-1. Specifications
RC F_U Glossary of tire terminology Tire related term Meaning
Cold tire inflation pressure Tire pressure when the vehicle has been parked for
three hours or more, or has no t been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sure The maximum cold inflated pr essure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressure Cold tire inflation pressure recommended by a manu-
facturer
Accessory weight The combined weight (in exce ss 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 weight 150 lb. (68 kg) times the numb er of occupants specified
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 in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride leve lers, roof rack, heavy duty
battery, and special trim
Rim A metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

576 8-2. Customization
RC F_U ■
Seat heaters
* (  P. 345)
* : If equipped■
Illumination (  P. 347)Function Default setting Customized setting
Seat heater timer control Off On O O 1 2
Function Default setting Customized setting
Time elapsed before the interior
lights turn off 15 seconds Off
O O7.5 seconds
30 seconds
Operation after the engine
switch is turned off On Off — O
Operation when the doors are
unlocked On Off — O
Operation when you approach
the vehicle with the electronic
key on your person On Off — O
Ambient lights and Remote
Touch pad light On Off — O
Time elapsed before the outer
foot lights turn off 15 seconds Off
O O7.5 seconds
30 seconds
Operation of the outer foot lights
when you approach the vehicle
with the electronic key on your
person On Off — O
Operation of the outer foot lights
when the doors are unlocked
with the power door lock switch On Off — O
Operation of the outer foot lights
when a door is opened On Off — O
Fading out of the outer foot lights
when they turn off Long Short — O 1 2

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

622 Alphabetical index
RC F_U First-aid kit storage belt ..................... 353
Flat tire
Vehicles with a spare tire.............. 489
Vehicles with emergency tire
puncture repair kit......................... 502
Floor mats ................................................... 30
Fluid
Automatic transmission ................. 545
Brake ........................................................547
Washer ...................................................... 411
Fog lights .................................................. 232
Replacing light bulbs ........................439
Switch....................................................... 232
Footwell light .......................................... 347
Wattage ................................................. 553
Front fog lights ....................................... 232
Replacing light bulbs ........................439
Switch....................................................... 232
Front passenger occupant
classification system ..............................51
Front seats .................................................. 161
Adjustment ............................................... 161
Cleaning .................................................. 381
Correct driving posture .................... 32
Driving position memory ................ 166
Head restraints ....................................... 171
Jam protection function ................... 162
Power easy access system ............ 166
Seat heaters ..........................................345
Seat position memory....................... 166
Seat ventilators ....................................346 Front turn signal lights .......................... 221
Replacing light bulbs ........... 434, 439
Turn signal lever ................................... 221
Wattage .................................................553
Fuel............................................................... 241
Capacity.................................................540
Fuel gauge ........................................ 91, 96
Fuel pump shut off system ............ 452
Information............................................554
Refueling .................................................. 241
Type............................................. 540, 554
Warning light .......................................455
Fuel consumption
Average fuel economy .......... 108, 122
Current fuel
consumption............................ 108, 122
Fuel filler door.......................................... 241
If the fuel filler door
cannot be opened ......................... 243
Refueling .................................................. 241
Fuel gauge ...........................................91, 96
Fuel pump shut off system .................452
Fuses...........................................................429F