ABS Lexus GS350 2012 Owner's Guide

731 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Outer foot lights
Press the upper part of the
outside rear view mirror to
tilt the mirror face upward,
and apply protective tape to
the lower part of the mirror
cover.
Insert 2 flathead screw-
drivers wrapped in protec-
tive tape, and disconnect the
tabs behind the mirror.
Prize the mirror out toward you,
disconnecting the tabs 2 at a
time.
Work carefully, ensuring that
you do not drop the mirror.
Disconnect the connectors
behind the mirror, and
remove the mirror.
When removing the thin con-
nectors, make sure to mark one
of the connectors with a piece of
tape, to avoid mixing them up
when reinstalling.
Work carefully, ensuring that
you do not drop the mirror.
When handling the mirror, do
not touch the parts applied with
grease.
The number of connectors
equipped differs by vehicle
specification.
1
2
3

733 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)Install the visor cover on the
mirror frame, secure it with
a screw, and install the side
turn signal light and outer
foot light.
Use only the screw position
shown in the illustration.
Side turn signal light: Align the
tabs on the light and the cover
and install.
Outer foot light: Interlock the
tabs in the groove of the light
body with those on the cover,
and secure.
Disconnect the tabs, and
separate the top and bottom
of the rear side cover of the
mirror.
8
9

7346-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Install the cover of the back
end of the mirror, installing
the lower side and the upper
side in that order.
When installing the lower side
of the cover, insert the side turn
signal light pin into the hole in
the cover.
Secure the cover with
screws and reconnect the
connectors back together.
Secure the cords by returning
them to the hooks as they were.
Align the tabs, and secure
the mirror by pushing in
each diagonally-opposite
pair of tabs in order.
Make sure to insert the tabs in
order as shown in the illustra-
tion, and push them in until a
click is heard.
If you do not hear the click, do
not force the tabs in. Instead,
remove the mirror and check
that the tabs are aligned.
10
11
12

7507-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)The following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Failure to investigate the cause of the following warnings may lead
to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional imme-
diately.
Stop the vehicle immediately.
Wa r n i n g
lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
Wa r n i n g
lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system

7567-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
CAUTION
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a
loss of vehicle control and result in death or serious injury.
Stop your vehicle in a safe place as soon as possible. Adjust the tire infla-
tion pressure immediately.
If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires. If a
tire is flat, change it with the spare tire and have the flat tire repaired by
the nearest any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
NOTICE
Precaution when installing a different tire
When differently constructed tires or tires of different makers, models or
tread patterns are installed, the tire pressure warning system may not oper-
ate properly.

7617-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
(If equipped)
Indicates a malfunction in the adaptive front-
lighting system
Indicates a malfunction in:
• The SRS airbag system; or,
• The seat belt pretensioner system
(If equipped)
Indicates a malfunction in the Automatic High
Beam system
Indicates a malfunction in:
•The ABS; or,
• The brake assist system
Indicates a malfunction in the parking brake sys-
tem
Wa r n i n g m e s s a g eDetails
(Flashes)

7967-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
CAUTION
When using the full-size spare tire as a rear tire (vehicles with front and rear
tires of differing sizes)
Replace the spare tire with a standard tire as soon as possible.
Avoid sudden acceleration, abrupt steering, as well as sudden braking and
shifting operation to engine braking.
When using the compact spare tire
Remember that the compact spare tire provided is specifically designed
for use with your vehicle. Do not use your compact spare tire on another
vehicle.
Do not use more than one compact spare tires simultaneously.
Replace the compact spare tire with a standard tire as soon as possible.
Avoid sudden acceleration, abrupt steering, as well as sudden braking and
shifting operation to engine braking.
When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
Also, not only can the following system not be utilized fully, but it may
even negatively affect the drive-train components:
• AWD system
• ABS & Brake assist
•VSC
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control
(if equipped)
• PCS (if equipped)
•EPS
• AFS (if equipped)• AVS (if equipped)
• LKA (Lane-Keeping Assist)
(if equipped)
• Lexus parking assist monitor
(if equipped)
• Lexus parking assist-sensor
(if equipped)
• Navigation system (if equipped)

876Alphabetical index
GS350/250_EE (OM30C36E)
Alphabetical index
A/C ............................................409
Air conditioning filter ...........695
Front automatic air
conditioning system ...........409
Rear air conditioning system 425
S-FLOW mode .....................419
ABS (Anti-lock Brake System) .333
Function ................................333
Warning light........................750
Warning message..................761
Adaptive Front-lighting System
(AFS) ....................................230
Adaptive Variable Suspension
system (AVS)..........................334
AFS (Adaptive Front-lighting
System) ..................................230
Air conditioning filter ...............695
Air conditioning system ............409
Air conditioning filter ...........695
Front automatic air
conditioning system ...........409
Rear air conditioning system 425
S-FLOW mode .....................419Airbags ....................................... 44
Airbag manual on-off system 56
Airbag operating conditions .. 51
Airbag precautions for
your child ............................ 47
Airbag warning light............ 750
Correct driving posture .......... 36
Curtain shield airbag operating
conditions ............................ 51
Curtain shield airbag
precautions .......................... 49
General airbag precautions .... 47
Locations of airbags............... 44
Modification and disposal of
airbags ................................. 50
Side airbag operating
conditions ............................ 51
Side airbag precautions.......... 47
Side and curtain shield airbags
operating conditions ............ 51
Side and curtain shield airbags
precautions .......................... 47
SRS airbags............................ 44
Airbag manual on-off system ..... 56
Alarm .......................................... 86
Alarm ..................................... 86
Warning buzzer............ 749, 757
Anchor brackets.......................... 69
Antennas (smart entry &
start system) .......................... 125
A

877Alphabetical index
GS350/250_EE (OM30C36E)
Anti-lock Brake System (ABS) .333
Function ................................333
Warning light........................750
Warning message..................761
Approach warning (dynamic
radar cruise control) ................264
Armrest ......................................635
Armrest door .............................639
Ashtrays.....................................626
Assist grip..................................641
Audio input................................536
Audio system .............................432
Audio input ...........................536
AUX port/
USB port ............536, 512, 524
Bluetooth
® audio ..................498
CD/DVD player ....................467
CD/DVD player information 488
DVD video ...........................475
iPod.......................................522
MP3/WMA disc ...................469
Optimal use...........................533
Portable music player ...........536
Radio ....................................458
Rear seat audio controls........537
Steering wheel audio switch .543
USB memory ........................510
Automatic headlight leveling
system ....................................231
Automatic High Beam ..............233
Automatic light control system 228Automatic transmission ............ 215
If the shift lever cannot be
shifted from P .................... 818
M mode ................................ 219
Paddle shift switches ........... 218
AUX port .................................. 536
Auxiliary boxes ........................ 620
AVS (Adaptive Variable
Suspension system) ................ 334
Back-up light
Replacing light bulb............. 729
Wattage ................................ 853
Battery ...................................... 667
Battery checking .................. 667
If the vehicle has discharged
battery................................ 825
Preparing and checking
before winter ..................... 359
Warning light ....................... 750
Blind Spot Monitor (BSM) ...... 354
Bluetooth
®
Audio system ....................... 498
Hands-free system
(for cellular phone)............ 542
Brake
Fluid ..................................... 849
Parking brake ....................... 225
Warning light ............... 749, 751
Warning message................. 757
B

891Alphabetical index
GS350/250_EE (OM30C36E)
Warning buzzers
Approach warning ................264
Brake system ........................749
Downshifting ........................221
Key reminder ........................777
Lexus parking assist-sensor ..284
No-handed driving warning..279
Open door .............................763
Open hood ............................763
Open moon roof....................764
Open trunk ............................764
Open window .......................764
Pre-crash braking ..................343
Seat belt reminder .................752
Warning lights .............................95
ABS ......................................750
AFS OFF indicator ...............751
Brake system ................749, 751
Charging system ...................750
Electric power steering
system.................................751
Low fuel level .......................752
Malfunction indicator lamp ..750
Master warning light ............752
Open door .............................752
Parking brake indicator.........751
Pre-Crash Safety system .......751
Seat belt reminder light ........752
Slip indicator ........................751
SRS .......................................750
Tire pressure warning light...753Warning messages .................... 757
Warning reflector storage belt .. 623
Washer ...................................... 241
Checking .............................. 671
Low washer fluid warning
message ............................. 771
Preparing and checking
before winter ..................... 359
Switch .................................. 241
Washing and waxing ................ 644
Weight ...................................... 836
Welcome light illumination
control .................................... 123
Wheels ...................................... 693
Replacing ............................. 693
Size ...................................... 850
Window glasses ........................ 178
Window lock switch ................. 178
Windows................................... 178
Power windows.................... 178
Rear window defogger......... 430
Windshield wiper de-icer ......... 431
Windshield wipers .................... 241
Intermittent wiper with interval
adjuster .............................. 241
Position ................................ 362
Rain-sensing windshield
wipers ................................ 243
Winter driving tips.................... 359
Wireless remote control key ..... 141
Battery-Saving Function ...... 129
Locking/Unlocking .............. 141
Replacing the battery ........... 697
WMA disc ................................ 469
W