2012 Lexus GS350 engine

TABLE OF CONTENTS2
GS350/250_EE (OM30C36E)
For your information...................... 8
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ..................... 34
For safety drive ................... 36
Seat belts ............................. 38
SRS airbags ......................... 44
Airbag manual on-off sys-
tem.....................................56
Safety information for chil-
dren...................................58
Child restraint systems ........ 59
Installing child restraints ..... 68
Exhaust gas precautions ...... 79
1-2. Theft deterrent system
Engine immobilizer system. 80
Double locking system ........ 85
Alarm .................................. 86
2. Instrument cluster
Warning lights and indica-
tors.......................................94
Gauges and meters .............. 98
Multi-information display . 101
Head-up display ................ 1093-1. Key information
Keys .................................. 118
3-2. Opening, closing and locking
the doors and trunk
Smart entry & start system 123
Wireless remote control .... 141
Doors ................................. 146
Trunk ................................. 150
3-3. Adjusting the seats
Front seats ......................... 157
Driving position memory .. 161
Head restraints................... 167
3-4. Adjusting the steering wheel and
mirrors
Steering wheel.................170
Inside rear view mirror ...... 171
Outside rear view mirrors . 174
3-5. Opening, closing the windows
and moon roof
Power windows ................. 178
Moon roof ......................... 181
1For safety and security
2Instrument cluster
3Operation of each compo-
nent

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GS350/250_EE (OM30C36E)
4-1. Before driving
Driving the vehicle ............ 186
Cargo and luggage............. 197
Trailer towing .................... 198
4-2. Driving procedures
Engine (ignition) switch .... 207
Automatic transmission..... 214
Turn signal lever ............... 222
Parking brake .................... 224
Horn .................................. 227
4-3. Operating the lights and wipers
Headlight switch ............... 228
Automatic High Beam ...... 233
Fog light switch................. 239
Windshield wipers and
washer................................241
Headlight cleaner switch ... 248
4-4. Refueling
Opening the fuel tank cap . 2494-5. Using the driving support
Cruise control .................... 254
Dynamic radar cruise con-
trol.....................................258
LKA (Lane-Keeping
Assist)...............................274
Lexus (parking assist-sen-
sor)....................................284
Lexus (parking assist moni-
tor)....................................297
Driving mode select switch 326
Driving assist systems ....... 331
Hill-start assist control ...... 339
PCS (Pre-Crash Safety sys-
tem)....................................341
BSM (Blind Spot Monitor) 352
4-6. Driving tips
Winter driving tips ............ 359
4Driving

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GS350/250_EE (OM30C36E)
5-5. Using the interior lights
Interior lights list ............... 611
Interior light ...................... 612
• Personal lights............... 612
5-6. Using the storage features
List of storage features ...... 614
• Glove box...................... 616
• Console box .................. 617
• Cup holders ................... 618
• Auxiliary boxes............. 620
Trunk features ................... 621
5-7. Other interior features
Sun visors and vanity mir-
rors....................................624
Clock ................................. 625
Ashtrays ............................ 626
Power outlets........................627
Heated steering wheel ....... 629
Seat heaters/ seat ventila-
tors.....................................631
Armrest.............................. 635
Rear sunshade/rear door sun-
shades................................636
Trunk storage extension .... 639
Coat hooks......................... 640
Assist grip ......................... 641
Utility hook ....................... 6426-1. Maintenance and care
Cleaning and protecting the
vehicle exterior................644
Cleaning and protecting the
vehicle interior.................648
6-2. Maintenance
Maintenance require-
ments...............................651
6-3. Do-it-yourself maintenance
Do-it-yourself service precau-
tions...................................654
Hood .................................. 657
Positioning a floor jack ..... 658
Engine compartment ......... 660
Tires................................... 672
Tire inflation pressure ....... 689
Wheels............................... 691
Air conditioning filter ....... 693
Electronic key battery ....... 695
Checking and replacing
fuses...................................698
Light bulbs ........................ 7206Maintenance and care

TABLE OF CONTENTS6
GS350/250_EE (OM30C36E)
7-1. Essential information
Emergency flashers ........... 738
If your vehicle has to be stopped
in an emergency.................7397-2. Steps to take in an emergency
If your vehicle needs to be
towed...............................740
If you think something is
wrong................................747
Fuel pump shut off system 748
If a warning light turns on or a
warning buzzer sounds.....749
If a warning message is dis-
played................................757
If you have a flat tire (vehicles
with a spare tire)...............782
If you have a flat tire (vehicles
without a spare
tire).....................................797
If the engine will not start . 815
If the shift lever cannot be
shifted from P....................817
If the parking brake cannot be
released.............................818
If the electronic key does not
operate properly................821
If the vehicle battery is dis-
charged..............................824
If your vehicle overheats ... 829
If your vehicle becomes
stuck...................................832
7When trouble arises

15Pictorial index
GS350/250_EE (OM30C36E)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 241
Precautions against winter season. . . . . . . . . . . . . . . . . . . . . . . P. 359
To prevent freezing (windshield wiper de-icer)
*1 . . . . . . . . . . P. 431
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . P. 646
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 249
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 249
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 838
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 672
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 850
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 359
Checking/rotation/tire pressure warning system
*1 . . . . . . . . . P. 672
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 782, 797
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 657
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 657
Engine compartment cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 661
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 839
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 829
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 763
Headlights/front position lights/daytime running lights . . . . . . P. 228
Front fog lights
*1/rear fog light*2. . . . . . . . . . . . . . . . . . . . . . P. 239
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 222
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 228
Stop lights
Hill-start assist control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 339
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 228
Back-up light
*2
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
4
5
6
7
Light bulbs of the exterior lights for driving
(Replacing method: P. 720, Watts: P. 852)
*1: If equipped
*2: They may be located on the opposite side depending on the target region.
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16Pictorial index
GS350/250_EE (OM30C36E)
Instrument panel (Left-hand drive vehicles)
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Starting the engine/changing the modes . . . . . . . . . . . . . . . . . . P. 207
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . P. 739
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 815
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 774
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 740
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . P. 817
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98
Reading the meters/adjusting the instrument panel light . . . . . . P. 98
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 7491
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24Pictorial index
GS350/250_EE (OM30C36E)
Instrument panel (Right-hand drive vehicles)
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Starting the engine/changing the modes . . . . . . . . . . . . . . . . . . P. 207
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . P. 739
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 815
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 774
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 740
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . P. 817
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98
Reading the meters/adjusting the instrument panel light . . . . . . P. 98
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 7491
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33
1For safety and security
GS350/250_EE (OM30C36E)
1-1. For safe use
Before driving ..................... 34
For safety drive ................... 36
Seat belts ............................. 38
SRS airbags......................... 44
Airbag manual on-off
system ............................... 56
Safety information
for children ....................... 58
Child restraint systems........ 59
Installing child restraints .... 68
Exhaust gas precautions...... 79
1-2. Theft deterrent system
Engine immobilizer system 80
Double locking system ....... 85
Alarm .................................. 86