2017 LEXUS RC300H Button

4386-1. Using the air conditioning system
RC300h_EE(OM24740E)
■Switching between outside air and recirculated air modes
Press .
The mode switches among (recir culated air mode), automatic and
(outside air mode) modes each time the button is pressed.
When the system is switched to automatic mode, the air conditioning system oper-
ates automatically.
The indicator above the selected button comes on.
■Pollen removal mode
Pollen is removed from the air and the ai r flows to the upper part of the body.
Select
on the option control screen.
When pollen removal mode is on, is di splayed on the air conditioning con-
trol screen.
In order to prevent the windshield from fogg ing up when the outside air is cold, the
dehumidification function may operate.
Pollen is filtered even if the pollen removal mode is turned off.
■Defogging the windshield
Defoggers are used to defog the windshield and side windows.
Press .
Set the outside/recirculated air mode button to outside air mode if the recirculated
air mode is used. (It may switch automatically.)
To defog the windshield and the side windows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press again when the windshield is
defogged.
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after a period of time.
Other functions

4416-1. Using the air conditioning system
6
Interior features
RC300h_EE(OM24740E)
■Registering air conditioning settings to electronic keys (vehicles with driving position
memory)
●Unlocking the vehicle using an electronic key and turning the power switch to ON
mode will recall that key's registered air conditioning settings.
●When the power switch is turned off, the cu rrent air conditioning settings will automati-
cally be registered to the electronic key that was used to unlock the vehicle.
●The system may not operate correctly if more than one electronic key is in the vicinity or
if the smart entry & start system is used to unlock a passenger door.
●The doors that can recall the air conditioning setting* when unlocked using the smart
entry & start system can be changed. For details, contact any authorized Lexus dealer
or repairer, or another duly qu alified and equipped professional.
*: The doors that can recall the driving position memory are changed at the same time.
■Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until wa rm or cool air is ready to flow immediately
after is pressed or “AUTO” is selected.
■Fogging up of the windows
The windows will easily fog up when the hu midity in the vehicle is high. Turning
(“A/C”) on will dehumidify the air from the ou tlets and defog the windshield effectively.
●If you turn (“A/C”) off, the windows may fog up more easily.
●The windows may fog up if the recirculated air mode is used.
■Outside/recirculated air mode
●When driving on dusty roads such as tunnels or in heavy traffic, set the outside/recircu-
lated air mode button to the recirculated air mode. This is effective in preventing out-
side air from entering the vehicle interior . During cooling operation, setting the
recirculated air mode will also cool the vehicle interior effectively.
●Outside/recirculated air mode may automati cally switch depending on the tempera-
ture setting or the inside temperature.
■Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and automati-
cally switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning automatic
mode on will activate the dehumidification function.
■Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled as follows to prioritize fuel
efficiency:
●Engine speed and compressor operation controlled to restrict heating/cooling capac-
ity
●Fan speed restricted when automatic mode is selected
To improve air conditioning performanc e, perform the following operations:
●Adjust the fan speed
●Turn off Eco drive mode

4506-3. Using the storage features
RC300h_EE(OM24740E)
Open (press the button)
Unlock with the mechanical key
Lock with the mechanical key
●The glove box light turns on when the po wer switch is in ACCESSORY or ON mode.
●The trunk opener main switch is located in the glove box. (P. 151)
Push the knob.
Lift by hand to fully open the console
box.
Glove box
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2
3
●The insert inside the glove box can be
removed.
Console box

5488-2. Steps to take in an emergency
RC300h_EE(OM24740E)
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance A buzzer also sounds. Turn off snow mode.
If the windshield wipers are on, turn them off or set them to a mode other than AUTO or high speedwiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system issuspended (The camera sensor temperature is higher
than the operation temperature range) A buzzer also sounds. Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur- rounding area on the rear bumper is dirty or covered
with snow, ice, etc. or that a sensor is misaligned A buzzer also sounds. Clean off the dirt, snow, ice, etc. and drive the vehi-
cle with the operation conditions of the BSM func- tion ( P. 327) satisfied for approximately 10
minutes. If the warning message does not disappear, the sensor may be misaligned. Have the vehicleinspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Indicates a malfunction in:• The cruise control system; or
• The dynamic radar cruise control system (if equipped) Press the “ON/OFF” button once to deactivate thesystem, and then press the button again to reactivate
the system. A buzzer also sounds. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
Warning messageDetails/Actions

5598-2. Steps to take in an emergency
8
When trouble arises
RC300h_EE(OM24740E)
OnceCon- tinuous
An attempt was made to lock the
doors using the smart entry & start system while the electronic key wasstill inside the vehicle.
 Retrieve the electronic key from the vehicle and lock thedoors again.
An attempt was made to lock either
door by opening a door and putting the inside lock button into the lockposition, then closing the door by
pulling on the outside door handle with the electronic key still inside thevehicle.
 Retrieve the electronic key from the vehicle and lock thedoors again.
An attempt was made to lock the
doors other than using the smart entry & start system while the elec-tronic key was still inside the vehicle.
 Retrieve the electronic key from the vehicle and lock the
doors again.
Once
The electronic key has a low 12-volt battery. Replace the electronic key bat-
tery. ( P. 511)
Once
The steering lock could not be released within 3 seconds of the
power switch being pressed.  Press the power switch while depressing the brake pedal and
moving the steering wheel left and right.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)

5798-2. Steps to take in an emergency
8
When trouble arises
RC300h_EE(OM24740E)
■Locking the door
Move the inside lock button to the
lock position.
Close the door while pulling the door handle.
■Opening the trunk
Turn the mechanical key clockwise
to open.
■Key linked functions
*: These settings must be customized at your Lexus dealer or repairer, or another duly
qualified and equipped professional.
1
2
Locks both side door
Closes the windows and moon roof (if equipped) (turn and hold)*
Unlocks the door
Opens the windows and moon roof (if equipped) (turn and hold)*
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2
3
4

607
RC300h_EE(OM24740E)
9
Vehicle specifications
9-2. Customization
■Changing by using the Remote Touch or Lexus Display Audio controller
Vehicles with a Remote Touch
Press the “MENU” button on the Remote Touch.
Select “Setup” on the “Menu” screen and select “Vehicle”.
Various setting can be changed. Refer to the list of settings that can be
changed for details.
For details on the Remote Touch, refer to the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S MANUAL”.
Vehicles with a Lexus Display Audio controller
Press the “MENU” button on the Lexus Display Audio controller.
( P. 346)
Select “Setup” on the “MENU” screen and select “Vehicle”.
Various setting can be changed. Refer to the list of settings that can be
changed for details.
■Changing by using the meter control switches
 P. 123
Customizable features
Your vehicle includes a variety of electronic features that can be personalized
to your preferences. The settings of th ese features can be changed by using
the meter control switches, the Remote Touch or Lexus Display Audio con-
troller or at any authorized Lexus deal er or repairer, or another duly qualified
and equipped professional.
Customizing vehicle features
1
2
1
2

637Alphabetical index
RC300h_EE(OM24740E)
Tilt and telescopic steering
control switch .................................... 189
Tire pressure warning reset
switch.................................................... 487
Trunk opener main switch ............... 151
Trunk opener switch ......................... 150
Vehicle-to-vehicle distance
button .....................................................261
VSC OFF switch .............................. 306
Window lock switch.......................... 196
Windshield wiper
and washer switch ........................... 241
Windshield wiper de-icer
switch.................................................... 439
Tachometer ............................................... 115
Tachometer settings .............................126
Tail lights................................................... 232
Light switch............................................232
Replacing light bulbs ....................... 525
Talk switch ............................................... 408
Telephone switches .............................408
Theft deterrent system
Alarm ......................................................... 102
Double locking system ...................... 101
Immobilizer system ............................. 95
Intrusion sensor and tilt sensor.....105
Luggage security system ..................151
Tire inflation pressure ......................... 505
Maintenance data ............................. 604
Tire inflation pressure display
function ............................................... 486
Warning light....................................... 539
Tire pressure warning system ......... 486
Initializing ............................................... 487
Installing tire pressure warning
valves and transmitters ............... 486
Registering ID codes....................... 487
Tire pressure warning reset
switch ................................................... 487
Warning light....................................... 539
Tires............................................................ 484
Chains..................................................... 338
Checking ............................................... 484
Emergency tire puncture
repair kit.............................................. 563
If you have a flat tire.......................... 563
T
*: For vehicles with a navigation or multimedia system, refer to the
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.