transmission fluid Lexus GS250 2012 Owner's Manual

2204-2. Driving procedures
GS350/250_EE (OM30C36E)When in the M position, the gear will not change unless the shift
lever or paddle shift switches are operated.
However, even when in the M position, the gears will be auto-
matically changed in the following situation:
When vehicle speed drops (downshift only).
When the automatic transmission fluid or engine coolant tem-
perature is low.
When automatic transmission fluid temperature is high.
When the needle of the tachometer is in the red zone (the range
which exceeds the allowable revs of the engine).
In the following situations, the gear will not shift even if the shift
lever or paddle shift switches are operated.
“1st Gear not available due to slippery road surface” is dis-
played on the multi information display.
The vehicle speed is low (upshift only).

2214-2. Driving procedures
4
Driving
GS350/250_EE (OM30C36E)
When the “-” paddle shift switch is operated in the D position
A shift range will be automatically selected. The highest gear of the first shift
range will be one gear lower than the gear in use during normal D position
driving.
Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following
situations:
When the vehicle comes to a stop
If the “+” paddle shift switch is operated when the shift range is in range 5
If the accelerator pedal is depressed for more than a certain period of time
When the shift lever is shifted to other than D
To protect automatic transmission
“Transmission Fluid High Temperature” is displayed on the multi-informa-
tion display and a function is adopted that automatically selects a higher shift
range when the fluid temperature is high. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.
Downshifting restrictions warning buzzer
To help ensure safety and driving performance, downshifting operation may
sometimes be restricted. In some circumstances, downshifting may not be
possible even when the shift lever or paddle shift switch is operated. (A
buzzer will sound twice.)
Snow mode automatic deactivation
Snow mode is automatically deactivated if the engine switch is turned off
after driving in snow mode.
If the shift lever cannot be shifted from P
P. 8 1 7

7597-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)A buzzer sounds and a warning message is shown on the multi-
information display. Failure to investigate the cause of the follow-
ing warnings may lead to the system operating abnormally and pos-
sibly cause an accident. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Have the vehicle inspected immediately.
Wa r n i n g m e s s a g eDetails
(AWD models)
Indicates a malfunction in the AWD system
Indicates that the automatic transmission fluid
temperature is too high
(If equipped)
Indicates a malfunction in the pre-crash safety
system
(Flashes)

8488-1. Specifications
GS350/250_EE (OM30C36E)
*: The fluid capacity is the quantity of reference.
If replacement is necessary, contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Electrical system
Battery
Open voltage at 20 C
(68 F):
Specific gravity read-
ing at 20C (68F):12.6 12.8 V Fully charged
12.2 12.4 V Half charged
11.8 12.0 V Discharged
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
1.250  1.290 Fully charged
1.160  1.200 Half charged
1.060  1.100 Discharged
Charging rates
Quick charge
Slow charge15 A max.
5 A max.
Automatic transmission
Fluid capacity*GS2507.5 L (7.9 qt., 6.6 Imp.qt.)
GS35010.0 L (10.6 qt., 8.8 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied
by vibration, and ultimately damage the transmission of your vehicle.

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

881Alphabetical index
GS350/250_EE (OM30C36E)
Engine switch ............................207
EPS (Electric Power Steering) ..334
Function ................................334
Warning light........................751
Warning message..................762
First-aid kit storage net..............621
Flat tire
Vehicles with a spare tire .....783
Vehicles without a spare tire 798
Floor mats....................................34
Fluid
Automatic transmission ........848
Brake ....................................849
Washer ..................................671
Fog lights ...................................239
Replacing light bulbs ....724, 735
Switch ...................................239
Wattage .................................853
Follow me home system............229
Footwell light ............................611
Front air conditioning system....409
Front fog lights ..........................239
Replacing light bulbs ............724
Switch ...................................239
Wattage .................................853
Front personal lights ..................612
Front position lights ..................228
Light switch ..........................228
Replacing light bulbs ............735
Welcome light illumination
control ................................123Front seats................................. 157
Adjustment........................... 157
Cleaning ............................... 648
Correct driving posture .......... 36
Driving position memory..... 162
Head restraints ..................... 168
Power easy access system.... 166
Seat heaters .......................... 631
Seat position memory .......... 162
Seat ventilators .................... 632
Front turn signal lights ............. 223
Replacing light bulbs ........... 726
Turn signal lever .................. 223
Wattage ................................ 853
Fuel ........................................... 249
Capacity ............................... 838
Fuel gauge.............................. 99
Fuel pump shut off system... 748
Information .......................... 854
Refueling ............................. 249
Type ............................. 249, 838
Warning light ....................... 752
Warning messages ............... 769
Fuel filler door .......................... 249
If the fuel filler door
cannot be opened ............... 252
Refueling ............................. 249
Fuel pump shut off system ....... 748
Fuses ......................................... 700
F