2018 Lexus GS450h brake light

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4-1. Before drivingDriving the vehicle ..................... 168
Cargo and luggage .................... 176
Vehicle load limits ....................... 179
Trailer towing ............................... 180
Dinghy towing ................................ 181
4-2. Driving procedures Power (ignition) switch............. 182
EV drive mode ..............................187
Hybrid transmission................... 189
Turn signal lever .......................... 195
Parking brake ................................196
Brake Hold .................................... 198
4-3. Operating the lights and wipers
Headlight switch ........................200
Automatic High Beam............. 203
Windshield wipers and washer ................................ 207 4-4. Refueling
Opening the fuel tank cap .......213
4-5. Using the driving support systems
Lexus Safety System+ ................ 217
PCS (Pre-Collision System) ......... 223
LKA (Lane-Keeping Assist) .......................................... 234
Dynamic radar cr uise control
with full-speed range............. 243
Cruise control ............................. 255
Driving mode select switch ... 258
BSM (Blind Spot Monitor) ............. 260
• The Blind Spot Monitor function .................................... 263
• The Rear Cross Traffic Alert function......................... 265
Driving assist systems .............. 268
4-6. Driving tips Hybrid vehicle driving tips ......274
Winter driving tips......................276
4Driving

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GS450h_OM_OM30G62U_(U)
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6-3. Do-it-yourself maintenanceDo-it-yourself service precautions................................ 349
Hood ................................................ 351
Positioning a floor jack ............ 352
Engine compartment ............... 353
12-volt battery ............................. 362
Tires ................................................. 365
Tire inflation pressure .............. 375
Wheels ........................................... 378
Air conditioning filter ...............380
Electronic key battery.............. 382
Checking and replacing fuses.............................................. 384
Headlight aim (vehicles with single-beam head lights) ...... 389
Light bulbs ......................................391
7-1. Essential information Emergency flashers .................. 396
If your vehicle has to be stopped in an emergency.... 397 7-2. Steps to take in an emergency
If your vehicle needs to be towed ............................... 398
If you think something is wrong................ 403
If a warning light turns on or a warning buzzer sounds .... 404
If a warning message is displayed ................................. 410
If you have a flat tire ....................441
If the hybrid system will not start ............................... 450
If the parking brake cannot be released................................ 452
If the electronic key does not operate properly..................... 454
If the 12-volt battery is discharged............................. 457
If your vehicle overheats...........461
If the vehicle becomes stuck ............................................. 466
7When trouble arises

17Pictorial index
GS450h_OM_OM30G62U_(U)
Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 95
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 95
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 109
When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 410
Parking brake switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 196
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 196
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 277
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 404, 406
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 195
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 200
Headlights/parking lights/tail lights/daytime running lights . . . . . . . . . . . . P. 200
Windshield wiper and washer switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 207
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 361
Headlight cleaners
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 208, 210
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 430
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 396
Trunk opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 128
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 351
Tilt and telescopic steering cont rol switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 153
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 153
Driving position memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 145
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 287
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 287
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 293
Audio system*2
Trunk opener main switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 130
*1: If equipped
*2: Refer to “NAVIGATION AND MULT IMEDIA SYSTEM OWNER’S MANUAL”.
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18Pictorial index
GS450h_OM_OM30G62U_(U)
■Switches
VSC OFF switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 270
Heated steering wheel switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 302
Automatic High Beam switch
*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 203
Instrument panel light control swit ches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 91
Odometer/trip meter and trip meter reset button . . . . . . . . . . . . . . . . . . . P. 91
HUD (Head-up display) switches
*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 103
Brake hold switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 198
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GS450h_OM_OM30G62U_(U)
832. Instrument cluster
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Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
Warning lights
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(U.S.A.)
Brake system warning light
(→ P. 404)*1
Slip indicator ( →P. 405)
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(Canada)
Brake system warning light
(→ P. 404)*2, 5
(If equipped)
“AFS OFF” indicator
(→ P. 405)
*2, 3Charging system warning
light ( →P. 404)*1, 5Brake hold operated
indicator ( →P. 405)
*2
(U.S.A.)
Malfunction indicator lamp
(→ P. 404)*5
(U.S.A.)
Parking brake indicator
(→ P. 406)
*2
(Canada)
Malfunction indicator lamp
(→ P. 404)*5
(Canada)
Parking brake indicator
(→ P. 406)
*2SRS warning light
(→ P. 404)*1Brake system warning light
(→ P. 406)
*1
(U.S.A.)
ABS warning light
(→ P. 404)Low fuel level warning light
(→ P. 406)
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(Canada)
ABS warning light
(→ P. 404)Seat belt reminder light
(→ P. 406)
*2Electric power steering
system warning light
(→ P. 405)*2Master warning light
(→ P. 406)
*2, 4
(If equipped)
PCS (Pre-Collision
System) warning light
(→ P. 405)*2Tire pressure warning light
(→ P. 406)

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GS450h_OM_OM30G62U_(U)
4Driving
4-1. Before driving Driving the vehicle ...................... 168
Cargo and luggage .................... 176
Vehicle load limits ....................... 179
Trailer towing ................................180
Dinghy towing ............................... 181
4-2. Driving procedures Power (ignition) switch ............. 182
EV drive mode ............................. 187
Hybrid transmission ................... 189
Turn signal lever........................... 195
Parking brake ............................... 196
Brake Hold..................................... 198
4-3. Operating the lights and wipers
Headlight switch ........................ 200
Automatic High Beam ............ 203
Windshield wipers and washer.................................207 4-4. Refueling
Opening the fuel tank cap ...... 213
4-5. Using the driving support systems
Lexus Safety System+ ................ 217
PCS (Pre-Collision System) ......... 223
LKA (Lane-Keeping Assist) .......................................... 234
Dynamic radar cruise control with full-speed range ............. 243
Cruise control ............................. 255
Driving mode select switch ...258
BSM (Blind Spot Moni tor).............. 260
• The Blind Spot Monitor
function .................................... 263
• The Rear Cross Traffic Alert function ......................... 265
Driving assist systems .............. 268
4-6. Driving tips Hybrid vehicle driving tips ..... 274
Winter driving tips ..................... 276

GS450h_OM_OM30G62U_(U)
1714-1. Before driving
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Driving
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When starting the vehicle
Always keep your foot on the brake pedal while stopped with the “READY” indicator is
illuminated. This prevents the vehicle from creeping.
■When driving the vehicle
●Do not drive if you are unfamiliar with the location of the brake and accelerator ped-
als to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake pedal will
result in sudden acceleration that may lead to an accident.
• When backing up, you may twist your body around, leading to a difficulty in oper-
ating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving po sture even when moving the vehicle only
slightly. This allows you to depress th e brake and accelerator pedals properly.
• Depress the brake pedal using your right foot. Depressing the brake pedal using your left foot may delay re sponse in an emergency, resulting in an accident.
●The driver should pay extra attention to pedestrians when the vehicle is powered only
by the electric motor (traction motor). As there is no engine noise, the pedestrians
may misjudge the vehicle’s movement. Even though the vehicle is equipped with the
vehicle proximity notification system, drive wi th care as pedestrians in the vicinity may
still not notice the vehicle if the surrounding area is noisy.
●Do not drive the vehicle over or stop the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. These hot parts may
cause a fire if there is any flammable material nearby.
●During normal driving, do not turn off the hybrid system. Turning the hybrid system off
while driving will not cause loss of steering or braking control, however, power assist
to the steering will be lost. This will make it more difficult to steer smoothly, so you
should pull over and stop the vehicle as soon as it is safe to do so.
In the event of an emergency, such as if it becomes impossible to stop the vehicle in
the normal way: → P. 397
●Use engine braking (downshift) to maintain a safe speed when driving down a steep
hill.
Using the brakes continuously may cause th e brakes to overheat and lose effective-
ness. ( →P. 189)
●Do not adjust the positions of the steering wheel, the seat, or the inside or outside rear
view mirrors while driving.
Doing so may result in a loss of vehicle control.
●Always check that all passengers’ arms, heads or other parts of their body are not
outside the vehicle.
●Do not drive in excess of the speed limit. Even if the legal speed limit permits it, do not
drive over 85 mph (140 km/h) unless your vehicle has high-speed capability tires.
Driving over 85 mph (140 km/h ) may result in tire failure, loss of control and possible
injury. Be sure to consult a tire dealer to determine whether the tires on your vehicle
are high-speed capability tires or no t before driving at such speeds.

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4-1. Before driving
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and reduce your
ability to control the vehicle.
●Sudden acceleration, engine braking due to shifting, or changes in engine speed
could cause the vehicle to skid, resulting in an accident.
●After driving through a puddle , lightly depress the brake pedal to make sure that the
brakes are functioning properly. Wet brake pads may prevent the brakes from func-
tioning properly. If the brakes on only on e side are wet and not functioning properly,
steering control may be affected.
■When shifting the shift lever
●Do not let the vehicle roll backward while the shift lever is in a driving position, or roll
forward while the shift lever is in R.
Doing so may result in an acci dent or damage to the vehicle.
●Do not shift the shift lever to P while the vehicle is moving.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to R while the vehicle is moving forward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to a driving position while the vehicle is moving backward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Shifting the shift lever to N while the vehicle is moving will disengage the hybrid sys-
tem. Engine braking is not available with the hybrid system disengaged.
●Be careful not to shift the shift lever with the accelerator pedal depressed. Shifting the
shift lever to any position other than P or N may lead to unexpected rapid accelera-
tion of the vehicle that may cause an accide nt and result in death or serious injury.
■If you hear a squealing or scraping noise (brake pad wear limit indicators)
Have the brake pads checked and replaced by your Lexus dealer as soon as possible.
Rotor damage may result if the pads are not replaced when needed.
Front brakes of F SPORT models: Moderate levels of brake pad and disc wear allow
enhanced front braking power. As a result, the discs may wear more quickly than con-
ventional brake discs. Therefore, when replacing the brake pads, Lexus recommends
that you also have the thic kness of the discs measured.
It is dangerous to drive the vehicle when the wear limits of the brake pads and/or those
of the brake discs are exceeded.