2007 Lexus GS450h transmission

5
When trouble arises
421
5-1. Essential information
Towing eyelet
■Emergency towing procedureRelease the parking brake.
Put the shift lever in “N”.
The power switch must be in the “ACC” mode (hybrid system off) or the
“IG-ON” mode (hybrid system on).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle. 
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelet and the cable or chain.
●If the hybrid system is not running, the power assist for the brakes and steering
will not function, making steeri ng and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground. 
This may cause serious dama ge to the transmission.
STEP1
STEP2
STEP3

424
5-1. Essential information
Towing with a wheel lift-type truck
From frontUse a towing dolly under the rear
wheels.
When not using a towing dolly, turn
the power switch to “ACC” mode
and shift the shift lever to “N”.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground.

428
5-1. Essential information
Event data recorder
In a crash or a near car crash event
The EDR may record some or all of the following information.
●Gasoline engine speed
● Whether the br
ake pedal was applied or not
● V
ehicle speed
●T
o what extent the accelerator pedal was depressed
●P
osition of the transmission shift lever
●Whether the driv
er and front passenger wore seat belts or not
● D
river's seat position
●SRS airbag deplo
yment data
● SRS airbag s
ystem diagnostic data
Your Lexus’ Electronic Control Un it (ECU) may contain another EDR.
Ther
e are a variety of driving situation s which include activating the vehi -
cle stability control (VSC) under whic h the V
SC EDR will record certain
information. The VSC EDR may record so me or all of the following infor-
mation:
● Behavior of the v
ehicle
● Steering wheel angle
●Vehicle speed
Your vehicle has computers that monitor and control certain aspects of
your vehicle. These computers assist in driving and maintaining optimal
vehicle performance.
Besides storing data useful for troublesh ooting, there is a system to record
data in a crash or a near car crash event. This is called an Event Data
Recorder (EDR).

5
When trouble arises
431
5-2. Steps to take in an emergency
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Have the vehicle inspected by your Lexus dealer immediately.
Failing 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 your Lexus dealer immediately.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
while the hybrid system is running.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Malfunction indicator lampMalfunction in:
• The hybrid system;
• The electronic engine control system;
• The electronic throttle control system; or
• The transmission control system.
SRS warning light
Malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.

5
When trouble arises
447
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashing)
(If equipped)
The radar cruise control
system is unable to judge
vehicle-to-vehicle dis-
tance.
• Switch the mode select to either the normal or
power mode.
• If the windshield wipers are on, turn them off or
set them to either the
intermittent or the slow
mode.
(Flashing)
(If equipped)
Yo u r v e h i c l e i s n e a r i n g
the vehicle ahead (in
radar cruise mode).Slow the vehicle by apply-
ing the brakes.
The vehicle is unable to
drive over 60 mph (or
120 km/h) until the trans-
mission warms up.
Wait until the transmission
warms up.
(Flashing)
The hybrid battery (trac-
tion battery) is low.Stop the vehicle and shift
the shift lever to “P”.
(Flashing)
The gasoline engine can-
not operate or the shift
lever is in “N” for a long
time.
Stop the vehicle and shift
the shift lever to “P”.

448
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashing)
The transmission is out of
“P” when attempting to
start the hybrid system.Shift the shift lever to “P”
before pressing the power
switch.
■After changing the engine oil (U.S.A. only)
Make sure to reset the oil maintenance data. (P.
3 6 6 )
■Warning light display in radar cruise mode
In the following cases, the warning light may
not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed

5
When trouble arises
451
5-2. Steps to take in an emergency
Other messages
If the following message is displayed, take appropriate action and confirm
that the message has disappeared.
MessageDetails
(Flashing)
The driver’s door is opened when the transmission is
out of “P” with the hybrid system on.Shift the shift lever to “P”.
(If equipped)
Calibrate the neutral position of the steering wheel.
( P. 151)

486
6-1. Specifications
Transmission
Brakes
*1: Minimum pedal clearance when depressed with a force of 200 N (20.4 kgf, 45 lbf) while the hybrid system is running.
*2: Parking brake pedal travel when depressed with a force of 300 N (30.6 kgf, 67.4 lbf).
Fluid capacity
Drain and refill
5.7 qt. (5.4 L, 4.8 lmp.qt.)
Fluid typeToyota Genuine ATF Type WS
NOTICE
Using transmission fluid other than “Toyota Genuine ATF Ty p e WS” may cause dete-
rioration in shift quality, locking up of your transmission accompanied by vibration,
and ultimately damage the transmission of your vehicle.
Pe d a l c l e a r a n c e *12.9 in. (74 mm) Min.
Pedal free play0.04  0.08 in. (1.0  2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake pedal travel *25  7 clicks
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3