2016 LEXUS RX350 brake light

240 4-2. Driving procedures
RX350_U_OM48E90U ■
Brake hold function ●
If the brake pedal is left released for a period of about 3 minutes after the system has
started holding the brake, the parking brake w ill be set automatically. In this case, a
warning buzzer sounds and a message is shown on the multi-information display.●
To turn the system off while the system is holding the brake, firmly depress the brake
pedal and press the button again. ●
The brake hold function may not hold the vehicle when the vehicle is on a steep incline.
In this situation, it may be necessary fo r the driver to apply the brakes. A warning
buzzer will sound and the multi-information di splay will inform the dr iver of this situa-
tion. If a warning message is shown on the multi-information displa y, re a d t h e m e s s a g e
and follow the instructions. ■
When the parking brake is set automatically while the system is holding the brakes
The parking brake will not be released automatically. With the brake pedal depressed,
release the parking brake by operating the parking brake switch, making sure that the
parking brake indicator light goes off. (  P. 2 3 5 )■
If “Brake Hold Fault Depress Brake to Deacti vate Visit Your Dealer” is displayed on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately. ■
Warning messages and buzzers
Warning messages and buzzers are used to indicate a system malfunction or to inform
the driver of the need for caution. If a warn ing message is shown on the multi-information
display, read the message and follow the instructions.■
If the brake hold operated indicator flashes
 P. 6 3 4
WA R N I N G ■
When the vehicle is on a steep incline
When using the brake hold system on a stee p incline exercise caution. The brake hold
function may not hold the vehicle in such a situation. ■
When stopped on a slippery road
The system cannot stop the vehicle when the gripping ability of the tires has been
exceeded. Do not use the system when stopped on a slippery road.
NOTICE ■
When parking the vehicle
The brake hold system is not designed for use when parking the vehicle for a long
period of time. Turning the engine switch of f while the system is holding the brake may
release the brake, which would cause the vehicle to move. When operating the engine
switch, depress the brake pedal, shift the shift lever to P and set the parking brake.

2434-3. Operating the lights and wipers
4
Driving
RX350_U_OM48E90U ■
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 engine is started and the parking
brake is released with the headlight sw itch in (Canada only) or position.
(Illuminate brighter th an the parking li ghts.) 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 engine 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 engine
switch is turned to ACCESSORY mode or turned off and the driver’s door is opened.
To turn the lights on again, turn the engine switch to IGNITION 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 engine 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.

2534-3. Operating the lights and wipers
4
Driving
RX350_U_OM48E90U ■
Front door opening linked windshield wiper stop function (vehicles with rain-sensing
windshield wipers)
When “AUTO” is selected and the windshield wipers are operating, if a front door is
opened, the operation of the windshield wipe rs will be stopped to prevent anyone near
the vehicle from being sprayed by water from the wipers, provided the vehicle is stopped
with the parking brake applied or the shift lever in P. When th e front door is closed, wiper
operation will resume. ■
Customization
Some functions can be customized. (  P. 6 9 9 )
WA R N I N G ■
Caution regarding the use of windshield wi pers in AUTO mode (vehicles with rain-
sensing windshield wipers)
The windshield wipers may operate unexpectedly if the sensor is touched or the wind-
shield is subject to vibration in AUTO mode. Take care that your fingers, etc. do not
become caught in the windshield wipers. ■
Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes warm. The
fluid may freeze on the windshield and cause lo w visibility. This may lead to an accident,
resulting in death or serious injury.
NOTICE ■
When the windshield is dry
Do not use the wipers, as they may damage the windshield. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

2754-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U ■
Operational conditions
Availability of the pedestrian detection function and pre-collision braking function
depend on the region in which the vehicle was sold.
Read the following for details: 
Region A
(The pedestrian detection fu nction and pre-collision braking function are available)
The pre-collision system is enabled and the sy stem determines that the possibility of a
frontal collision with a vehicle or pedestrian is high.
Each function is operationa l at the following speeds:●
Pre-collision warning:
• Vehicle speed is approximately 7 mph (1 0 km/h) or more. (For detecting a pedes-
trian, vehicle speed is between approxim ately 7 and 50 mph [10 and 80 km/h].)
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more. ●
Pre-collision brake assist:
• Vehicle speed is approximately 19 mph (3 0 km/h) or more. (For detecting a pedes-
trian, vehicle speed is between approxim ately 19 and 50 mph [30 and 80 km/h].)
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 19 mph (30 km/h) or more. ●
Pre-collision braking:
• Vehicle speed is approximately 7 mph (1 0 km/h) or more. (For detecting a pedes-
trian, vehicle speed is between approxim ately 7 and 50 mph [10 and 80 km/h].)
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.
The system may not operate in the following situations: ●
If a battery terminal has be en disconnected and reconnected and then the vehicle has
not been driven for a certain amount of time ●
If the shift lever is in R ●
If VSC is disabled (only the pre-collision warning function will be operational) ●
If the PCS warning light is flashing or illuminated Regions Function availability
Region A The pedestrian detection function and pre-collision braking
function are available
Region B The pedestrian detection function is not available and the pre-
collision braking function is available
Region C The pedestrian detection function and pre-collision braking
function are not available

276 4-5. Using the driving support systems
RX350_U_OM48E90U 
Region B
(The pedestrian detection fu nction is not available and the pre-collision braking func-
tion is available)
The pre-collision system is enabled and the sy stem determines that the possibility of a
frontal collision with a vehicle is high.
Each function is operationa l at the following speeds:●
Pre-collision warning:
• Vehicle speed is approximately 10 mph (15 km/h) or more.
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more. ●
Pre-collision brake assist:
• Vehicle speed is approximately 19 mph (30 km/h) or more.
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 19 mph (30 km/h) or more. ●
Pre-collision braking:
• Vehicle speed is approximately 10 mph (15 km/h) or more.
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.
The system may not operate in the following situations: ●
If a battery terminal has be en disconnected and reconnected and then the vehicle has
not been driven for a certain amount of time ●
If the shift lever is in R ●
If VSC is disabled (only the pre-collision warning function will be operational) ●
If the PCS warning light is flashing or illuminated 
Region C
(The pedestrian detection function and pr e-collision braking function are not avail-
able)
The pre-collision system is enabled and the sy stem determines that the possibility of a
frontal collision with a vehicle is high.
Each function is operationa l at the following speeds:●
Pre-collision warning:
• Vehicle speed is approximately 10 mph (15 km/h) or more.
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more. ●
Pre-collision brake assist:
• Vehicle speed is approximately 19 mph (30 km/h) or more.
• The relative speed between your vehicl e and the vehicle or pedestrian ahead is
approximately 19 mph (30 km/h) or more.
The system may not operate in the following situations: ●
If a battery terminal has be en disconnected and reconnected and then the vehicle has
not been driven for a certain amount of time ●
If the shift lever is in R ●
If VSC is disabled (only the pre-collision warning function will be operational) ●
If the PCS warning light is flashing or illuminated

282 4-5. Using the driving support systems
RX350_U_OM48E90U ■
If the PCS warning light flashes and a warnin g message is displayed on the multi-infor-
mation display
The pre-collision system may be temporarily unavailable or there may be a malfunction
in the system. ●
In the following situations, the warning light will turn off, the message will disappear and
the system will become operational when normal operating conditions return:
• When the radar sensor or camera sensor or the area around either sensor is hot,
such as in the sun
• When the radar sensor or camera sensor or the area around either sensor is cold,
such as in an extremely cold environment
• When the radar sensor or front grille embl em is dirty or covered with snow, etc.
• If the camera sensor is obst ructed, such as when the h ood is open or a sticker is
attached to the windshield near the camera sensor ●
If the PCS warning light continues to flash or the warning messag e does not disappear,
the system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately. ■
If VSC is disabled ●
If VSC is disabled (  P. 377), the pre-collision brake assist and pre-collision braking
functions are also disabled. ●
The PCS warning light will turn on and “VSC Turned Off Pre-Collision Brake System
Unavailable” will be displayed on the multi-information display.

3054-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U This mode employs a radar sensor to detect the presence of vehicles up to
approximately 400 ft. (120 m) ahead, determines the current vehicle-to-vehicle
following distance, and operates to main tain a suitable following distance from
the vehicle ahead. Note that vehicle-to-vehicle distance will close in when traveling on long downhill
slopes.
Example of constant speed cruising
When there are no vehicles ahead The vehicle travels at the speed set by the driver. The desired vehicle-to-vehicle dis-
tance can also be set by operating th e vehicle-to-vehicle distance button.
Example of deceleration cruising and follow-up cruising
When a preceding vehicle driving slower than the set speed appears When a vehicle is detected running ahead of you, the system automatically deceler-
ates your vehicle. When a greater reduction in vehicle speed is necessary, the system
applies the brakes (the stop lights will come on at this time). The system will respond to
changes in the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle
distance set by the driver. Approach wa rning warns you when the system cannot
decelerate sufficiently to prevent your ve hicle from closing in on the vehicle ahead.
When the vehicle ahead of you stops, your ve hicle will also stop (vehicle is stopped by
system control). After the vehicle ahead starts off, pushing the cruise control lever up
or depressing the accelerator peda l will resume follow-up cruising.
Example of acceleration
When there are no longer any preceding vehicles driving slower than the set
speed The system accelerates until the set speed is reached. The system then returns to con-
stant speed cruising.Driving in vehicle-to-vehicle distance control mode
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2
3

3174-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U This mode employs a radar sensor to detect the presence of vehicles up to
approximately 400 ft. (120 m) ahead, determines the current vehicle-to-vehicle
following distance, and operates to main tain a suitable following distance from
the vehicle ahead. Note that vehicle-to-vehicle distance will close in when traveling on long downhill
slopes.
Example of constant speed cruising
When there are no vehicles ahead The vehicle travels at the speed set by the driver. The desired vehicle-to-vehicle dis-
tance can also be set by operating th e vehicle-to-vehicle distance button.
Example of deceleration cruising and follow-up cruising
When a preceding vehicle driving slower than the set speed appears When a vehicle is detected running ahead of you, the system automatically deceler-
ates your vehicle. When a greater reduction in vehicle speed is necessary, the system
applies the brakes (the stop lights will come on at this time). The system will respond to
changes in the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle
distance set by the driver. Approach wa rning warns you when the system cannot
decelerate sufficiently to prevent your ve hicle from closing in on the vehicle ahead.
Example of acceleration
When there are no longer any preceding vehicles driving slower than the set
speed The system accelerates until the set speed is reached. The system then returns to con-
stant speed cruising.Driving in vehicle-to-vehicle distance control mode
1
2
3