high beam Lexus GS350 2018 User Guide

371
GS350_300_GS F_OM_OM30G34U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Do-it-yourself service precautions
*: Vehicles with sing
le-beam headlights
If you perform maintenance by yourself, be sure to follow the correct proce-
dure as given in these sections.
ItemsParts and tools
Battery condition
(→ P. 390)•Warm water• Baking soda•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
(→ P. 389)
• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/intercooler
coolant level
(→ P. 386)
•“Toyota Super Long Life Coolant” or a similar high quality
ethylene glycol-based non-silicate, non-amine, non-nitrite
and non-borate coolant with long-life hybrid organic acid
technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with 50%
coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Cool ant” is pre-mixed with 55%
coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( → P. 381)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( →P. 412)• Fuse with same amperage rating as original
Headlight aim*
( → P. 416)• Phillips-head screwdriver
Light bulbs
(→ P. 418)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead sc rewdriver
•Wrench
Radiator and con-
denser (→P. 388)⎯
Tire inflation pres-
sure (→P. 403)• Tire pressure gauge• Compressed air source
Washer fluid
(→ P. 392)• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

420
GS350_300_GS F_OM_OM30G34U_(U)6-3. Do-it-yourself maintenance
When installing, reverse the steps listed.
After installing the bulb base, secure the co
rd with the clips and if replacing the left
side bulb, make sure to install the bolt for the washer fluid fille r opening in its origi-
nal position.
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights/daytime running lights
●Front side marker lights
●Front turn signal lights (vehic les with triple-beam headlights)
●Side turn signal lights
●Stop/tail lights
●Stop lights
●Rear side marker lights
●Rear turn signal lights
●Back-up lights
●High mounted stoplight
●License plate lights
●Outer foot lights
4
Right sideLeft side

4517-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
7
When trouble arises
Indicates a malfunction in th e cruise control system or
dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the dynamic radar cruise con-
trol with full-speed range
Depress the brake pedal.
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(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)
• LKA (Lane-Keeping Assist) system
• Dynamic radar cruise control with full-speed range
•Automatic High Beam
Warning messageDetails/Actions
(Flashes)

4527-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
(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 LKA (Lane-Keeping Assist) system off, wait
for a little while, and then turn the LKA (Lane-Keep-
ing Assist) 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 may be suspended until the
problem shown in the message is resolved.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• Dynamic radar cruise control with full-speed range
•Automatic High Beam
→ 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 your Lexus dealer.
Warning messageDetails/Actions
(Flashes)

4607-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
Indicates that engine oil level is low
This message may ap pear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to
see if the message disappears.
A buzzer also sounds.
→ Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The Automatic High Beam system (if equipped);
• The AFS (Adaptive Front-lighting System) (if
equipped); or
• The LED headlight system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(GS F for Canada only)
Indicates that the brake pads are worn out
A buzzer also sounds
→ Have the vehicle inspected visually by your Lexus
dealer.
Warning messageDetails/Actions

4647-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
Warning messageDetails/Actions
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were on
→ Turn the high beam headlights on before pressing
the Automatic High Beam switch.
(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. 291)

586Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Fuel filler door ........................................ 228When the fuel filler door cannot be opened ........................ 230
Fuel pump shut off system................. 433
Fuses ............................................................ 412
Garage door opener .......................... 345
Gauges ................................................ 86, 92
Glove box ..................................................331
Glove box light ........................................331
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ........................................165
Headlights .................................................216 Adaptive Front-lighting System (AFS) ..................................... 217
Automatic High Beam system ..... 219
Headlight leveling warning message ............................ 441
Light switch ............................................ 216
Replacing light bulbs ........................420
Headlights aim ............................. 416, 573
Head-up display..................................... 120
Heated steering wheel ....................... 322 Heaters
Air conditioning system ................ 308
Heated steering wheel ................... 322
Seat heaters .......................................... 323
Outside rear view mirrors .............. 314
Hill-start assist control ....................... 288
Hood ..........................................................373 Open ....................................................... 373
Warning message............................... 441
Hooks Cargo hooks ....................................... 334
Coat hooks ........................................... 344
Luggage hook..................................... 334
Retaining hooks (floor mat)..............32
Horn.............................................................168
I/M test ..................................................... 370
Identification............................................. 519 Engine .....................................................520
Vehicle ......................................................519
Ignition switch (engine switch) ......... 197 Auto power off function ...................199
Changing the engine switch modes ................................................... 198
If your vehicle has to be stopped in an emergency.......... 425
Starting the engine ............................. 198
Illuminated entry system ................... 329
Immobilizer system ................................. 72
Indicators ...................................................... 81
G
H
I

588Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Language (multi-information display)....................................... 546, 548
LATCH anchors ...................................... 64
LDH (Lexus Dynamic Handling system) .............................. 289
Lever Auxiliary catch lever ......................... 373
Hood lock release lever ................. 373
Internal trunk release lever............. 146
Shift lever ................................................202
Turn signal lever .................................. 210
Wiper lever ........................................... 223
Lexus Dynamic Handling system (LDH)...................................... 289
Lexus Enform
*
Lexus Enform Safety Connect........ 352
Lexus parking assist monitor
*
Lexus Safety System+......................... 232 Automatic High Beam ..................... 219
Dynamic radar cruise control with full-speed range ................... 258
LKA (Lane-Keeping Assist) .........249
PCS (Pre-Collision System) ....... 238
License plate lights.................................216 Light switch ............................................ 216
Replacing light bulbs ........................420
Welcome light illumination control ......................... 138 Light bulbs
Replacing .................................................419
Wattage ...................................................531
Lights Automatic High Beam system ..... 219
Headlight switch .................................. 216
Illuminated entry system................. 329
Interior light........................................... 328
Interior lights list...................................327
Personal lights ..................................... 328
Replacing light bulbs ............ 419, 420
Trunk light................................................145
Turn signal lever ...................................210
Vanity lights ..........................................338
Wattage ...................................................531
Welcome light illumination control................................................... 138
LKA (Lane-Keeping Assist) .............249 Operation.............................................. 253
Warning messages ............................ 441
Lock steering column........................... 199
Low profile tire ...................................... 396
Luggage hook ....................................... 334
Luggage security system .................... 145
L

594Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
SwitchesASC (Active Sound Control) switch..................................................... 215
Audio remote control switches
*
Automatic High Beam switch ...... 219
Brake Hold..............................................213
Cruise control switch....................................... 258, 270
Door lock switches ............................ 139
Driving mode select switch .......... 273
Driving position memory switches ................................................ 160
Emergency flashers switch ........... 424
Engine switch .........................................197
Garage door opener switches ...............................................345
Heated steering wheel switch.................................................... 322
HUD (Head-up display) switches ................................................ 120
Ignition switch ........................................197
Intuitive parking assist
*
Light switch ............................................ 216
LKA (Lane-Keeping Assist) switch....................................................253
Meter control switches ........... 101, 109
Moon roof switches........................... 178
Outside rear view mirror switches .................................................. 171 Paddle shift switches........................ 204
Parking brake switches ......................211
Power door lock switch ...................139
Power window switches .................. 175
Rear sunshade switch ....................... 341
Rear window and outside
rear view mirror defoggers
switch ..................................................... 314
Seat heater switches ........................ 323
Seat ventilator switches .................. 323
Snow mode switch ........................... 203
“SOS” button ....................................... 352
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ................. 168
Tire pressure warning reset switch ...................................................395
Trunk closer switch............................. 144
Trunk opener switch .......................... 143
Trunk opener main switch ..............145
TVD (Torque Vectoring Differential) switch ......................... 286
Vehicle-to-vehicle distance switch ................................................... 264
VSC OFF switch ...............................290
Window lock switch .......................... 175
Windshield wipers and washer switch ......................... 223