2012 Lexus GS350 Owner's Manual

8287-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
CAUTION
Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the
flammable gas that may be emitted from the battery:
Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended termi-
nal.
Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
Do not smoke, use matches, cigarette lighters or allow open flame near the
battery.
Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, cloth-
ing or the vehicle body.
Do not lean over the battery.
In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
Do not allow children near the battery.

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.

835
8Vehicle specifications
GS350/250_EE (OM30C36E)
8-1. Specifications
Maintenance data
(fuel, oil level, etc.)......... 836
Fuel information ............... 853
8-2. Customization
Customizable features....... 855
8-3. Items to initialize
Items to initialize .............. 866