2012 Lexus GS350 transmission

3294-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)Sport mode
Improves acceleration response by controlling the transmission
and steering. Suitable for when precise handling is desirable, for
example when driving on mountain roads.
When the driving mode select switch is turned right, the “SPORT” indica-
tor comes on in the instrument cluster.
Also, on vehicles equipped with a
12.3-inch display, the driving
mode is also automatically dis-
played on the “Side Display”.
(P. 370)
3

331
4 4-5. Using the driving support
Driving
GS350/250_EE (OM30C36E)Sport mode
• SPORT S mode
Improves acceleration response by controlling the transmis-
sion. Suitable for when precise handling is desirable, for
example when driving on mountain roads.
When the driving mode select switch is turned right while a made other
than SPORT S mode is selected, the “SPORT S” indicator comes on in
the instrument cluster.
Also, on vehicles equipped with
a 12.3-inch display, the driving
mode is also automatically dis-
played on the “Side Display”.
(P. 370)
• SPORT S+ mode
Improves steering performance and driving stability by simul-
taneously controlling the steering and suspension in addition
to the transmission. Suitable for sporty driving.
When the driving mode select switch is turned right while SPORT S
mode is selected, the “SPORT S+” indicator comes on in the instrument
cluster.
Also, on vehicles equipped with
a 12.3-inch display, the driving
mode is also automatically dis-
played on the “Side Display”.
(P. 370)
3

717 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
11DOOR RR30Power window (rear right-hand)
12RAD NO.230Audio system
13AM27.5Smart entry & start system
14MULTIMEDIA10Navigation system, Remote Touch
15RAD NO.130Audio system
16AIR BAG10SRS airbag system
17OBD7.5On-board diagnosis system
18ACC7.5
Body ECU, head-up display, RR CTRL,
navigation system, transmission, Remote
Touch, DCM, Remote Touch screen
FuseAmpereCircuit

719 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
13DOOR RR30Power window (rear right-hand)
14RAD NO.230Audio system
15STRG LOCK15Steering lock system
16MULTIMEDIA10Navigation system, Remote Touch
17RAD NO.130Audio system
18AIR BAG10SRS airbag system
19OBD7.5On-board diagnosis system
20TI & TE20Electric tilt and telescopic steering col-
umn
21ACC7.5
Body ECU, head-up display, RR CTRL,
navigation system, transmission, Remote
Touch, Remote Touch screen
FuseAmpereCircuit

7407-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
If your vehicle needs to be towed
The following may indicate a problem with your transmission.
Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional before towing.
The engine is running but the vehicle will not move.
The vehicle makes an abnormal sound.
If towing is necessary, we recommend having your vehicle towed
by any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional or a commercial towing service,
using a lift-type truck or flat bed truck.
Use a safety chain system for all towing, and abide by all state/pro-
vincial and local laws.
Before towing

7467-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
NOTICE
To prevent causing serious damage to the transmission and transfer (AWD
models) when towing using a wheel-lift type truck
2WD models:
Never tow this vehicle from the front with the rear wheels on the ground.
AWD models:
Never tow this vehicle with any of the wheels in contact with the ground.
To prevent damage to the vehicle when towing using a wheel-lift type truck
2WD models:
Do not tow the vehicle from the rear with the engine switch off. The steer-
ing lock mechanism is not strong enough to hold the front wheels straight.
When raising the vehicle from the rear, ensure adequate ground clearance
for towing at the opposite end of the raised vehicle. Without adequate
clearance, the vehicle could be damaged while being towed from the rear.
AWD models:
When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
To prevent body damage when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
To prevent causing serious damage to the transmission and transfer (AWD
models) in emergency towing
Never tow a vehicle from the rear with four wheels on the ground. This
may cause serious damage to the transmission and transfer.

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

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)