wipers LEXUS RX450h 2016 Owners Manual

3 1
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9
RX450h_U_OM0E013U 53-5. Opening, closing
the windows and
moon roof
Power windows ............................ 189
Moon roof .......................................193
Panoramic moon roof ................ 197
4-1. Before driving
Driving the vehicle .................... 204
Cargo and luggage..................... 212
Vehicle load limits ........................216
Trailer towing (vehicles with
towing package) ....................... 217
Trailer towing (vehicles
without towing
package)..................................... 230
Dinghy towing ...............................231
4-2. Driving procedures
Power (ignition) switch ............ 232
EV drive mode .............................237
Hybrid transmission .................. 239
Turn signal lever ...........................244
Parking brake ...............................245
Brake Hold ....................................249
4-3. Operating the lights and
wipers
Headlight switch ..........................251
Automatic High Beam............. 255
Fog light switch ........................... 259
Windshield wipers and
washer ......................................... 260
Rear window wiper and
washer ......................................... 265 4-4. Refueling
Opening the fuel tank
cap ................................................. 267
4-5. Using the driving
support systems
Lexus Safety System+ ................ 271
PCS
(Pre-Collision System) ..........279
LKA
(Lane-Keeping Assist) .......... 292
LDA (Lane Departure
Alert with steering
control)........................................ 302
Dynamic radar cruise
control with full-speed
range ............................................... 311
Dynamic radar cruise
control ......................................... 323
Cruise control ............................. 335
Intuitive parking assist .............. 339
Lexus parking assist
monitor........................................ 347
BSM
(Blind Spot Monitor) ............. 363
• BSM function..........................367
• RCTA function ........................ 371
Driving mode select
switch ............................................ 377
Driving assist systems ............... 381
4-6. Driving tips
Hybrid vehicle driving
tips ................................................. 387
Winter driving tips ..................... 390
Utility vehicle precautions...... 3944
Driving

17Pictorial index
RX450h_U_OM0E013U Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 260 Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 390
To prevent freezing (windshield wiper de-icer)
* . . . . . . . . . . . . . . . . . . . . . . . P. 409
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 460
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 6 7Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 269
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 584
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 487Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 589
Winter tires/tire chain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 3 90
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . . .P. 487
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 549
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 473Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 473
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 585
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 57 4
Headlights/parking lights/daytime running ligh ts . . . . . . . . . . . . . . . . . . .P. 251
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 244
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 259
Cornering lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 252
Stop/tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 251
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 25 1
Back-up lights Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 239
Side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 25 14
5
6
7
Light bulbs of the exte rior lights for driving
(Replacing method: P. 513, Watts: P. 590)
* : If equipped8
9
10
11
12
13
14
15

202
RX450h_U_OM0E013U 4-1. Before driving
Driving the vehicle..................... 204
Cargo and luggage.....................212
Vehicle load limits ........................216
Trailer towing (vehicles with
towing package)........................217
Trailer towing (vehicles
without towing
package).....................................230
Dinghy towing .............................. 231
4-2. Driving procedures
Power (ignition) switch ............ 232
EV drive mode ............................ 237
Hybrid transmission .................. 239
Turn signal lever .......................... 244
Parking brake............................... 245
Brake Hold.................................... 249
4-3. Operating the lights and
wipers
Headlight switch.......................... 251
Automatic High Beam ............. 255
Fog light switch ........................... 259
Windshield wipers and
washer ......................................... 260
Rear window wiper and
washer ......................................... 265
4-4. Refueling
Opening the fuel tank
cap..................................................2674 Driving

251
4
Driving
RX450h_U_OM0E013U 4-3. Operating the lights and wipers
Turning the end of the lever turns on the lights as follows:
Headlight switch The headlights can be operated manually or automatically.
Operating instructions U.S.A. CanadaThe side marker, parking, tail,
license plate and instrument
panel lights turn on.
(The parking lights serve as
the daytime running lights:
 P. 2 5 3 )
The headlights and all the
lights listed above turn on.
When the power switch is in
ON mode, the headlights and
all the lights listed above turn
on and off automatically.
(While in day mode, the park-
ing lights serve as the daytime
running lights:  P. 2 5 3 )
Off
The daytime running lights
turn on. (  P. 2 5 3 ) 1
2
3
4 (U.S.A.)
(Canada)

252 4-3. Operating the lights and wipers
RX450h_U_OM0E013U With the headlights on, push the
lever away from you to turn on the
high beams. Pull the lever toward you to the center
position to turn the high beams off.
Pull the lever toward you and release
it to flash the high beams once. You can flash the high beams with the
headlights on or off.
AFS (Adaptive Front-lighting System) secure s excellent visibility at intersections
and on curves by automatically adjusting the direction of the light axis of the
headlights according to vehicle speed and the degree of the tire’s angle as con-
trolled by steering input. AFS operates at speeds of 6 mph (10 km/h) or higher.
●
When the steering wheel or turn signal lever is operated while the headlights
are on (low beam), a cornering light w ill turn on and light up the direction of
movement of the vehicle. The cornerin g lights are designed to ensure excel-
lent visibility when making a turn at an intersection.However, when vehicle speed is approximately 22 mph (35 km/h) or higher, the cor-
nering lights will not turn on.●
When the shift lever is in R while the headlights are on (low beam), both cor-
nering lights will turn on. This is desi gned to enhance visibility when parking.Turning on the high beam headlights 1
2
AFS (Adaptive Front-lighting System) (if equipped)
Cornering lights (if equipped)

2534-3. Operating the lights and wipers
4
Driving
RX450h_U_OM0E013U ■
Daytime running light system ●
To make your vehicle more visible to other drivers during daytime driving, the daytime
running lights turn on automatically whenever the hybrid system is started and the park-
ing brake is released with the headligh t switch in (Canada only) or posi-
tion. (Illuminate brighter than the par king lights.) Daytime running lights are not
designed for use at night.
For the U.S.A.: Daytime running lights can be turned off by operating the headlight
switch to position. ●
Compared to turning on the headlights, the daytime running light system offers greater
durability and consumes less electricity, so it can help improve fuel economy. ■
Cornering lights (if equipped)
When the cornering lights are on for more th an 30 minutes, they will turn off automati-
cally. ■
Headlight control sensor
■
Automatic light off system ●
When the headlights come on: The headlights and tail lights turn off 30 seconds after a
door is opened and closed if the power switch is turned to ACCESSORY mode or
turned off. (The lights turn off immediately if on the key is pressed after all the doors
are locked.) ●
When only the tail lights come on: The tail lights turn off automatically if the power
switch is turned to ACCESSORY mode or turned off and the driver’s door is opened.
To turn the lights on again, turn the power switch to ON mode, or turn the light switch off
once and then back to or . ■
Automatic headlight leveling system (if equipped)
The level of the headlights is automatically ad justed according to the number of passen-
gers and the loading condition of the vehicle to ensure that the headlights do not inter-
fere with other road users. ■
Light reminder buzzer
A buzzer sounds when the power switch is turned off or turned to ACCESSORY mode
and the driver’s door is opened while the lights are turned on. ■
We l c o m e l i g h t i n g
If the headlight switch is turned to and the surrounding area is dark, unlocking the
doors using the smart access system with pu sh-button start or wireless remote control
will turn the parking lights and tail lights on automatically.The sensor may not function properly if an
object is placed on the sensor, or anything that
blocks the sensor is affixed to the windshield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

254 4-3. Operating the lights and wipers
RX450h_U_OM0E013U ■
Windshield wiper linked headlight illumination
When driving during daytime with the headlight switch tu rned to , if the windshield
wipers are used, the headlight s will turn on automatically after several seconds to help
enhance the visibility of your vehicle. ■
12-volt battery-saving function
In order to prevent the 12-volt battery of the vehicle from discharging, if the headlights
and/or tail lights are on when the power swit ch is turned off the 12-volt battery saving
function will operate and automatically turn off all the lights after approximately 20 min-
utes. When the power switch is turned to ON mode, the 12-volt battery-saving function
will be disabled.
When any of the following are performed, the 12-volt battery-saving function is canceled
once and then reactivated. All the lights w ill turn off automatically 20 minutes after the
12-volt battery-saving function has been reactivated: ●
When the headlight switch is operated ●
When a door is opened or closed ■
Customization
Some functions can be customized. (  P. 6 0 7 )
NOTICE ■
To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is off.

2554-3. Operating the lights and wipers
4
Driving
RX450h_U_OM0E013U Push the lever away from you with
the headlight switch in the or
position.
Press the Automatic High Beam
switch. The Automatic High Beam indicator will
come on when the system is operating.Automatic High Beam 
 : If equippedThe Automatic High Beam uses a came ra sensor located behind the upper
portion of the windshield to assess th e brightness of the lights of vehicles
ahead, streetlights, etc., and automatica lly turns the high beams on or off as
necessary. WA R N I N G ■
Limitations of the Automatic High Beam
Do not overly rely on the Automatic High Beam. Always drive safely, taking care to
observe your surroundings and turning the high beams on or off manually if necessary. ■
To prevent incorrect operation of the Automatic High Beam system
Do not overload the vehicle.
Activating the Automatic High Beam 1
2

256 4-3. Operating the lights and wipers
RX450h_U_OM0E013U ■
Switching to the low beams
Pull the lever to its original position. The Automatic High Beam indicator
will turn off.
Push the lever away from you to acti-
vate the Automatic High Beam sys-
tem again.
■
Switching to the high beams
Press the Automatic High Beam
switch. The Automatic High Beam indicator
will turn off and the high beam indi-
cator will turn on.
Press the switch to activate the Auto-
matic High Beam system again.Turning the high beams on/off manually

2574-3. Operating the lights and wipers
4
Driving
RX450h_U_OM0E013U ■
Conditions to turn the high beams on/off automatically ●
When all of the following conditions are met, the high beams will be turned on automat-
ically (after approximately 1 second):
• The vehicle speed is approximately 21 mph (34 km/h) or more.
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead. ●
If any of the following conditions is met, the high beams will turn off automatically:
• The vehicle speed is below approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have their headli ghts or tail lights turned on.
• There are many streetlights on the road ahead. ■
Camera sensor dete ction information●
The high beams may not be automatically turned off in the fo llowing situations:
• When a vehicle suddenly appears from around a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead cannot be detected du e to repeated curves, road dividers or
roadside trees
• When vehicles ahead appear in a faraway lane on a wide road
• When the lights of vehicles ahead are not on ●
The high beams may be turned off if a vehicl e ahead that is using fog lights without its
headlights turned on is detected. ●
House lights, street lights, traffic signals, and illuminated billboards or signs and other
reflective objects may cause the high beams to change to the low beams, or the low
beams to remain on. ●
The following factors may affect the amount of time taken for the high beams to turn on
or off:
• The brightness of the headlights, fog li ghts, and tail lights of vehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface, etc.)
• The number of passengers and amount of luggage in the vehicle ●
The high beams may turn on or off unexpectedly.●
Bicycles or similar vehicles may not be detected.