Eps Lexus GS250 2012 Owner's Manual

829
7 7-2. Steps to take in an emergency
When trouble arises
GS350/250_EE (OM30C36E)
NOTICE
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans or engine drive belt.

8307-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning
system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the engine. Carefully lift the hood after the steam subsides
and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating:
Wait until the temperature of the engine (shown on the instru-
ment panel) begins to fall and then stop the engine.
If the fan is not operating:
Stop the engine immediately and call any authorized Lexus
dealer or repairer, or another duly qualified and equipped profes-
sional.
After the engine has cooled
down sufficiently, check the
engine coolant level and
inspect the radiator core (radi-
ator) for any leaks.
If the engine compartment cover
needs to be removed: P. 6 6 1
1
2
3
4

8317-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)Add engine coolant if neces-
sary.
Water can be used in an emergency
if engine coolant is unavailable.
(P. 847)
Have the vehicle inspected at the nearest authorized Lexus dealer
or repairer, or another duly qualified and equipped professional as
soon as possible.
Overheating
If you observe the following, your vehicle may be overheating:
The engine coolant temperature gauge enters the red zone or a loss of power
is experienced.
Steam comes out from under the hood.
5
CAUTION
When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot.
Keep hands and clothing away from the fans, etc. while the engine is oper-
ating.
Do not loosen the radiator cap while the
engine and radiator are hot.
High temperature steam or coolant
could spray out.

8327-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
NOTICE
When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding
cool coolant to a hot engine too quickly can cause damage to the engine.
To prevent damage to the cooling system
Observe the following precautions:
Avoid contaminating the coolant with foreign matter (such as sand or dust
etc.).
Do not use commercially available coolant additives.

8337-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to
P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other material under the rear wheels
to help provide traction.
Restart the engine.
Shift the shift lever to D or R and release the parking brake.
Then, while exercising caution, depress the accelerator pedal.
When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Press to turn off TRC.
1
2
3
4
5

8347-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
CAUTION
When attempting to free a stuck vehicle
If you choose to push the vehicle back and forth to free it, make sure the
surrounding area is clear to avoid striking other vehicles, objects or people.
The vehicle may also lunge forward or lunge back suddenly as it becomes
free. Use extreme caution.
When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may
cause an accident resulting in death or serious injury.
NOTICE
To avoid damaging the transmission and other components
Avoid spinning the rear wheels and depressing the accelerator pedal more
than necessary.
If the vehicle remains stuck even after these procedures are performed, the
vehicle may require towing to be freed.

8588-2. Customization
GS350/250_EE (OM30C36E)
Door lock
(P. 146,
822)
“Unlock on second key
turn” (Allows all doors
to be unlocked by turn-
ing the mechanical key
once in the driver’s
door)Off
(All doors
unlocked
in one
step)
On
(Driver’s
door
unlocked
in one
step, all
doors
unlocked
in two
steps)
O—O
“Auto unlock by shift to
P” (All doors are auto-
matically unlocked
when shifting the shift
lever to P)
OffOnO—O
“Auto unlock by driver
door” (All doors are
automatically unlocked
when driver’s door is
opened)
OnOffO—O
Smart
entry &
start
system
(P. 123)
and
wireless
remote
control
(P. 141)
“Lock/unlock feedback
lights” (Enable/disable
the operation of the
emergency flashers
when the vehicle is
locked or unlocked)
OnOffO—O
“Auto relock timer”
(Adjust the time elapsed
before the automatic
door lock function is
activated if a door is not
opened after being
unlocked)
30
seconds
60
seconds
——O
120
seconds
Open door reminder
buzzer (When locking
the vehicle)
OnOff——O
ItemFunctionDefault
settingCustom-
ized set-
ting
123

859
8 8-2. Customization
Vehicle specifications
GS350/250_EE (OM30C36E)
Smart
entry &
start
system
(P. 123)
“Entry and start system”
(Smart entry & start
system can be disabled)
OnOffO—O
“Select doors to unlock”
(The doors that are
unlocked using the smart
entry & start system can
be selected)
All the
doorsDriver’s
doorO—O
Wireless
remote
control
(P. 141)
Wireless remote controlOnOff——O
“Remote 2-press
unlock” (Allows all
doors to be unlocked by
pressing on the
electronic key once)Off
(All doors
unlocked
in one
step)
On
(Driver’s
door
unlocked
in one
step, all
doors
unlocked
in two
steps)
O—O
Trunk unlocking opera-
tionPress and
hold
(short)
One short
press
——O
Push
twice
Press and
hold
(long)
Off
ItemFunctionDefault
settingCustom-
ized set-
ting
123

880Alphabetical index
GS350/250_EE (OM30C36E)
Eco drive mode .........................328
Eco Driving Indicator ........109, 114
Electric Power Steering (EPS) ..334
Function ................................334
Warning light........................751
Warning message..................762
Electronic key............................118
Battery-saving function ........129
If the electronic key does not
operate properly .................822
Replacing the battery ............697
Emergency, in case of
If the battery is discharged ...825
If the electronic key does not
operate properly .................822
If the engine will not start.....816
If the parking brake cannot
be released ..........................819
If the shift lever cannot be
shifted from P .....................818
If the warning buzzer sounds749
If the warning light turns on .749
If the warning message is
displayed ............................757
If you have a flat tire ....783, 798
If you think something
is wrong ..............................747
If your vehicle becomes stuck ....
833
If your vehicle has to be
stopped in an emergency ....739
If your vehicle needs to
be towed .............................740
If your vehicle overheats ......830Emergency brake signal ........... 334
Emergency flashers .................. 738
Emergency tire puncture
repair kit ................................. 798
Engine....................................... 838
Accessory mode................... 208
Compartment ....................... 660
Engine switch ...................... 207
Hood .................................... 657
How to start the engine ........ 207
Identification number .......... 837
If the engine will not start .... 816
Ignition switch
(engine switch) .................. 207
Overheating ......................... 830
Engine compartment cover....... 661
Engine coolant .......................... 665
Capacity ............................... 847
Checking .............................. 665
Preparing and checking
before winter ..................... 359
Engine coolant temperature
gauge ........................................ 99
Engine immobilizer system ........ 80
Engine oil ................................. 662
Capacity ............................... 839
Checking .............................. 662
Oil level warning message... 766
Oil pressure warning
message ............................. 758
Preparing and checking
before winter ..................... 359
E

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