2234-3. Operating the lights and wipers
4
Driving
IS200t_EE(OM53D77E)
■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 40 km/h (25 mph) 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 30 km/h (19 mph).
• 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 detection information
●The high beams may not be automatically turned off in the following 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 due 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 lights, 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.
2244-3. Operating the lights and wipers
IS200t_EE(OM53D77E)
●Bicycles or similar vehicles may not be detected.
●In the following situations the system may not be able to correctly detect the surround-
ing brightness level. This may cause the low beams to remain on or the high beams to
flash or dazzle pedestrians or vehicles ahead. In such a case, it is necessary to manually
switch between the high and low beams.
• When driving in inclement weather (heavy rain, snow, fog, sandstorms, etc.)
• When the windshield is obscured by fog, mist, ice, dirt, etc.
• When the windshield is cracked or damaged
• When the camera sensor is deformed or dirty
• When the temperature of the camera sensor is extremely high
• When the surrounding brightness level is equa l to that of headlights, tail lights or fog
lights
• When headlights or tail lights of vehicles ah ead are turned off, dirty, changing color,
or not aimed properly
• When the vehicle is hit by water, snow, dust, etc. from a preceding vehicle
• When driving through an area of interm ittently changing brightness and darkness
• When frequently and repeatedly driving ascending/descending roads, or roads with rough, bumpy or uneven surfaces (such as stone-paved roads, gravel roads, etc.)
• When frequently and repeatedly taking curves or driving on a winding road
• When there is a highly reflective object ahead of the vehicle, such as a sign or mirror
• When the back of a preceding vehicle is highly reflective, such as a container on a truck
• When the vehicle's headlights are damaged or dirty, or are not aimed properly
• When the vehicle is listing or titling due to a flat tire, a trailer being towed, etc.
• When the headlights are changed between the high beams and low beams repeat- edly in an abnormal manner
• When the driver believes that the high beams may be flashing or dazzling pedestri-
ans or other drivers
• When the vehicle is used in an area in which vehicles travel on the opposite side of
the road of the country for which the vehicle was designed, for example using a vehi-
cle designed for right-hand traffic in a left-hand traffic area, or vice versa
238
IS200t_EE(OM53D77E)4-5. Using the driving support systems
◆PCS (Pre-Collision System)
P. 246
◆LDA (Lane Departure Alert with steering control)
P. 260
◆Automatic High Beam
P. 221
◆RSA (Road Sign Assist)
P. 269
◆Dynamic radar cruise control
P. 274
Lexus Safety System+
: If equipped
The Lexus Safety System+ consists of the following drive assist systems and
contributes to a safe and comfortable driving experience:
WARNING
■Lexus Safety System+
The Lexus Safety System+ is designed to operate under the assumption that the driver
will drive safely, and is design ed to help reduce the impact to the occupants and the
vehicle in the case of a collision or assist the driver in normal driving conditions.
As there is a limit to the degree of reco gnition accuracy and control performance that
this system can provide, do no t overly rely on this system. The driver is always responsi-
ble for paying attention to the vehicle's surroundings and driving safely.
5708-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
The operation conditions of the camera sensor (tem-
perature, etc.) are not met.
When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control) system
• Automatic High Beam
• RSA (Road Sign Assist)
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor A buzzer also sounds.
Turn the LDA (Lane Depart ure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Departure Alert with steering
control) system back on.
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on
the windshield in front of the camera sensor.
The following systems will be temporarily unusable.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control) system
• Automatic High Beam
• RSA (Road Sign Assist)
Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then
turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
5758-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The Automatic High Beam system (if equipped); or
• The LED headlight systemA buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates a malfunction in the RSA (Road Sign Assist)
A buzzer also sounds
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that the accelerator and brake pedal are being
depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the washer fluid level is low
Add washer fluid.
Warning messageDetails/Actions
(Flashes)
5778-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Indicates that the engine oil should be changed. (After
the engine oil is changed and the message has been
reset.)
Check and change the engine oil, and oil filter by
any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer. After changing the
engine oil, the message should be reset.
(If equipped)
Indicates that the fuel injectors require maintenance
Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer add injector
cleaner to the fuel tank and reset the message.
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision braking and pre-
collision brake assist are stopped (The pre-collision
warning function will be operational)
Turn the VSC on. ( P. 343)
Warning messageDetails/Actions
657Alphabetical index
IS200t_EE(OM53D77E)
Anti-lock Brake System (ABS) .......340Warning light ...................................... 555
Approach warning ................................ 281
Armrest ..................................................... 477
Assist grips .............................................. 479
Audio input ..............................................359
Audio system .......................................... 352 Audio CD player .............................. 380
Audio input ...........................................359
AUX port/
USB port ............................................359
Bluetooth
® audio ..............................404
iPod.......................................................... 386
Optimal use .......................................... 370
Portable music player......................395
Radio ........................................................378
Steering wheel audio switch ....... 358
USB memory...................................... 390
Automatic headlight leveling system ................................................... 220
Automatic High Beam .........................221
Automatic light control system ....... 218
AUX port .................................................359
Average fuel economy......... 116, 117, 119
Average vehicle speed ......................... 116 Back-up light
Replacing light bulb ......................... 540
Battery....................................................... 505
Battery checking................................505
If the vehicle has discharged battery....................................................618
Preparing and checking
before winter.................................... 346
Warning light....................................... 554
Blind Spot Monitor (BSM) .............. 324
Blower customization......................... 459
Bluetooth®
Audio system....................................... 404
Hands-free system (for cellular phone) ....................... 405
Bottle holders......................................... 470
Brake Fluid .......................................................... 637
Parking brake ........................................ 217
Warning light....................................... 554
Brake assist ............................................ 340
Break-in tips .............................................187
Brightness control
Instrument panel light control ........ 96
BSM (Blind Spot Monitor) ............... 324
Blind Spot Monitor function ........ 330
Rear Crossing Traffic Alert function.................................... 333
B
662Alphabetical index
IS200t_EE(OM53D77E)
Fuel consumptionAverage fuel
economy............................... 116, 117, 119
Current fuel consumption................ 116
Fuel filler door ........................................ 234 If the fuel filler door
cannot be opened ......................... 236
Refueling ................................................ 234
Fuel gauge .................................................. 93
Fuel pump shut off system .................553
Fuses ......................................................... 530
Gauges ........................................................ 93
Gear positions ........................................ 214
Glove box ................................................ 469
Glove box light ...................................... 469 Hands-free system
(for cellular phone) ........................... 405
Head restraints ........................................166
Headlight cleaner................................. 226
Headlights .................................................218
Automatic High Beam system.................................................... 221
Follow me home system.................. 219
Light switch............................................. 218
Replacing light bulbs ....................... 540
Heaters ..................................................... 450
Air conditioning system ................. 450
Heated steering wheel ................... 463
Outside rear view mirrors ............ 458
Seat heaters.......................................... 464
Hill-start assist control........................ 340
Hood .......................................................... 497 Open ....................................................... 497
Pop Up Hood ........................................ 53
Hooks Cargo hooks ........................................ 472
Coat hooks........................................... 479
Retaining hooks (floor mat) .............32
Horn .............................................................169
G
H